Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev

DC Pandey (Questions & Solutions) of Physics: NEET

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NEET : Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev

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AIEEE Corner
Subjective Questions (Level 1) 

Basic Definitions
Ques 1: A car moves with 60 km/h in first one hour and with 80 km/h in next half an hour. Find: 
(a) total distance travelled by the car, 
(b) average speed of car in total 1.5 hours.
Ans: (a) 100 km
(b) 66.67 kmh-1
Sol: (a) D = v1t1 + v2 t2
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
(b) Average speed
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev

Ques 2: A particle moves in a straight line with initial velocity 4 m/s and a constant acceleration of 6 m/s2. Find the average velocity of the particle in a time interval from 
(a) t = 0 to t = 2s 
(b) t = 2s to t = 4s.
Ans: (a) 10 ms-1 
(b) 22 ms-1
Sol: (a) Displacement in first two seconds
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
= 20 m
∴ Average velocity = 20m/2s = 10m/s
(b) Displacement in first four seconds
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
∴ Displacement in the time interval
t = 2s to t = 4s
= 64 - 20
= 44 m
∴  Average velocity = 44m/2s = 22 m/s.

Ques 3: A particle is projected upwards from the roof of a tower 60 m high with velocity 20 m/s. Find: 
(a) the average speed and 
(b) average velocity of the particle upto an instant when it strikes the ground. Take g = 10 m/s2.
Ans: (a) 16.67 ms-1 
(b) 10 ms-1(downwards)
Sol: Let the particle takes t time to reach ground.
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
i.e.,   5t2 - 20t - 64 = 0
t = 6.1 s
If the particle goes h meter above tower before coming down
0 = (20)2 + 2 (-10) h
⇒ h = 20 m
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
= 9.8 m/s (downwards)

Ques 4: A block moves in a straight line with velocity v for time t0. Then, its velocity becomes 2v for next t0 time. Finally its velocity becomes 3v for time T. If average velocity during the complete journey was 2.5 v, then find T in terms of t0.
Ans:  T = 4 t0 
Sol: Average velocity Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
∴  5t0 + 2.5T = 3t0 + 3T
or  T = 4t0

Ques 5: A particle starting from rest has a constant acceleration of 4 m/s2 for 4 s. It then retards uniformly for next 8 s and comes to rest. Find during the motion of particle: 
(a) average acceleration, 
(b) average speed, 
(c) average velocity.
Ans: (a) zero
(b) 8 ms-1 
(c) 8 ms-1
Sol: (a) Average acceleration Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
(b) As the particle did not return back distance travelled in 12 s
= Displacement at 12 s
∴ Average speed = 8 m/s.
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev (∵ a = 4 m/s2)
i.e.,   vmax = 16 m/s
Displacement of particle in 12 seconds
= Area under v-t graph
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Average velocity Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
= +8 m/s

Ques 6: A particle moves in a circle of radius R = 21/22 m with constant speed lm/s. Find:
(a) magnitude of average velocity and 
(b) magnitude of average acceleration in 2 s.
Ans: Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Sol: (a) Radius (R) of circle = 21/22 m
∴ Circumference of circle = 2πR
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Speed (v) of particle = 1 m/s
∴ Distance moved by particle in 2 s = 2 m
Thus, angle through which the particle moved
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Magnitude of Average velocity Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
(b) Magnitude of average acceleration
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev

Ques 7: A particle is moving in x-y plane. At time t = 0, particle is at (1m, 2m) and has velocity Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev At t = 4 s, particle reaches at (6m, 4m) and has velocityMotion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev In the given time interval, find: 
(a) average velocity, 
(b) average acceleration and 
(c) from the given data, can you find average speed?
Ans: Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Sol: Position vector at t = 0 s
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Position vector at t = 4 s
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
(a) Displacement from t = 0 s to t = 4 s
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev 
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
(b) Average acceleration
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
(c) We cannot find the average speed as the actual path followed by the particle is not known.

Uniform acceleration
(a) One dimensional motion

Ques 8: Two diamonds begin a free fall from rest from the same height, 1.0 s apart. How long after the first diamond begins to fall will the two diamonds be 10 m apart? Take g = 10 m/s2.
Ans: 1.5 s
Sol: If at time t the vertical displacement between A  and B is 10 m
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
or   t2 - (t - 1)2 = 2
or   t2 - (t2 - 2t + 1) = 2
or   2t = 3
t = 1.5 s

Ques 9: Two bodies are projected vertically upwards from one point with the same initial velocity v0. The second body is projected t0 s after the first. How long after will the bodies meet?
Ans: Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Sol: The two bodies will meet if
Displacement of first after attaining highest point = Displacement of second before attaining highest point
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
or Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
or Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
or  Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev

Ques 10: A stone is dropped from the top of a tower. When it crosses a point 5 m below the top, another stone is let fall from a point 25 m below the top. Both stones reach the bottom of the tower simultaneously. Find the height of the tower. Take g = 10 m/s2.
Ans: 45 m

Sol: Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
⇒ t = 1s
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
For A
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
or  Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev  …(i)

For B
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
or  Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
[Substituting value of H from Eq. (i)]
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
2t - 1 = 5
⇒ t = 3 s
Substituting t = 3 s in Eq. (i)
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev

Ques 11: A point mass starts moving in a straight line with constant acceleration. After time t0 the acceleration changes its sign, remaining the same in magnitude. Determine the time t from the beginning of motion in which the point mass returns to the initial position.
Ans: (3.414) t0
Sol:
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
or  Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
or Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev (- ive sign being absurd)
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
From the begining of the motion the point mass will return to the initial position after time 3.141t0.

Ques 12: A football is kicked vertically upward from the ground and a student gazing out of the window sees it moving upwards past her at 5.00 m/s. The window is 15.0 m above the ground. Air resistance may be ignored. Take g = 10 m/s2
(a) How high does the football go above ground? 
(b) How much time does it take to go from the ground to its highest point?
Ans: (a) 16.25 m (b) 1.8 s
Sol: 52 = u2 + 2 (-10)15
⇒ u2 = 325
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
(a) For H
02 = u2 + 2(-10) H
i.e., 20H = 325
or     H = 16.25 m
(b) For t
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
= 1.8 s

Ques 13: A car moving with constant acceleration covered the distance between two points 60.0 m apart in 6.00 s. Its speed as it passes the second point was 15.0 m/s. 
(a) What is the speed at the first point? 
(b) What is the acceleration? 
(c) At what prior distance from the first was the car at rest? 
(d) Graph s versus t and v versus t for the car, from rest (t = 0).
Ans: (a) 5 ms-1 
(b)1 .6 7 ms-2 
(c) 7.5 m
Sol:
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
(a) 152 = u2 + 2a x 60 …(i)
and  15 = u + a x 6 …(ii)
Substituting the value of 6a from Eq. (ii) in Eq. (i)
225 = u2 + 20 (15 - u)
i.e., u2 - 20 u + 75 = 0
(u - 15)(u - 5) = 0
∴ u = 5 m/s
(15 m/s being not possible)
(b) Using Eq. (ii)
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
(c)   u2 = 02 + 2ax
i.e.,
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
= 7.5 m
(d)
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev  …(iii)
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Differentiating Eq. (iii) w.r.t. time t
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev

Ques 14: A train stopping at two stations 4 km apart takes 4 min on the journey from one of the station to the other. Assuming that it first accelerates with a uniform acceleration x and then that of uniform retardation y, prove that Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Sol: 
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Journey A to P
vmax = 0 + xt1    …(i)
and Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev  …(ii)
Journey P to B
0 = vmax + (- y) t2    …(iii)
and Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev  …(iv)
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
or  Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev   …(v)
From Eq. (ii) and Eq. (iv)
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
or  Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev  …(vi)
Dividing Eq. (vi) by Eq. (v)
vmax = 2
Substituting the value of vmax in Eq. (v)
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev  (Proved)

Ques 15: A particle moves along the x-direction with constant acceleration. The displacement, measured from a convenient position, is 2m at time t = 0 and is zero when t = 10s. If the velocity of the particle is momentary zero when t = 6 s, determine the acceleration a and the velocity v when t = 10s.
Ans: 0.2 ms-2, 0.8 ms-1
Sol: Let acceleration of the particle be a using
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
v = u + at
0 = u + a6
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
(a) At t = 10 s, s = - 2 m
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
or   -2 = (-6a) 10 + 50a
or  -10a = - 2
or   a = 0.2 m/s2 
(b) v(at t = 10 s) = u + a 10
= - 6a + 10a
= 4 a
= 0.8 m/s

(b) Two or three dimensional motion

Ques 16: Net force acting on a particle of mass 2 kg is 10 N in north direction. At t = 0, particle was moving eastwards with 10 m/s. Find displacement and velocity of particle after 2 s.
Ans: 10√5 m at cos-1(2) from east towards north, 10√2 ms-1 at 45° from east towards north.
Sol:
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev m at cot-1(2) from east to north.

Ques 17: At time t = 0, a particle is at (2m, 4m). It starts moving towards positive x-axis with constant acceleration 2 m/s2 (initial velocity = 0). After 2 s an acceleration of 4 m/s2 starts acting on the particle in negative y-direction also. Find after next 2 s: 
(a) velocity and 
(b) coordinates of particle.
Ans:  Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Sol: 
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev

Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
(a) Velocity
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
or  Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
(b) Co-ordinate of particle
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Co-ordinate of the particle [18 m, - 4 m]

Ques 18: A particle moving in x-y plane is at origin at time t = 0. Velocity of the particle is Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev and acceleration is Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
(a) velocity of particle and
(b) coordinates of particle.

Ans: Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Sol: 
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
(b) Co-ordinates of the particle
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
∴ Co-ordinates of particle would be [10 m , - 2 m]

Ques 19: A particle starts from the origin at t = 0 with a velocity of Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev and moves in the x-y plane with a constant acceleration of Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev At the instant the particle’s x-coordinate is 29 m, what are: 
(a) its y-coordinate and 
(b) its speed ?
Ans: (a) 45 m (b) 22 ms-1
Sol:
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Comparing the coefficients of Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
29 = 2t2   …(i)
and  n = 8t + t2 …(ii)
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Substituting value of t in Eq. (ii)
n = 8 x 3.807 + (3.807)2
= 44.95
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
= 24.44 m/s

Ques 20: At time t = 0, the position vector of a particle moving in the x-y plane is Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev By time t = 0.02 s, its position vector has become Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev m determine the magnitude vav of the average velocity during this interval and the angle θ made by the average velocity with the positive x-axis.
Ans: 20.6 ms-1, tan-1(4)
Sol: 

Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev
Motion in One Dimension: JEE Main(Part- 1) - Physics, Solution by DC Pandey NEET Notes | EduRev

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