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Test: Integrals- 1 - JEE MCQ


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25 Questions MCQ Test Mathematics (Maths) for JEE Main & Advanced - Test: Integrals- 1

Test: Integrals- 1 for JEE 2024 is part of Mathematics (Maths) for JEE Main & Advanced preparation. The Test: Integrals- 1 questions and answers have been prepared according to the JEE exam syllabus.The Test: Integrals- 1 MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Integrals- 1 below.
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Test: Integrals- 1 - Question 1

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Test: Integrals- 1 - Question 2

Find the distance travelled by a car moving with acceleration given by a(t)=Sin(t), if it moves from t = 0 sec to t = π/2 sec, and velocity of the car at t=0sec is 10 km/hr.

Detailed Solution for Test: Integrals- 1 - Question 2

Acceleration is the derivative of velocity, so we integrate a(t) to get v(t):

v(t)=∫a(t)dt=∫sin(t)dt=−cos(t)+C

Now, we are given that the velocity at t=0 is 10 km/hr. We can use this information to find the constant C:

v(0)=−cos(0)+C=−1+C=10

Solving for C, we get C=11.

Now, we have the velocity function:

v(t)=−cos(t)+11

Finally, we integrate v(t) to get the displacement function s(t):

s(t)=∫v(t)dt=∫(−cos(t)+11)dt

s(t)=−sin(t)+11t+D

Now, we need to find the constant D. We are given that the car moves from t=0 to t=π/2, and we know that s(0)=0 (starting position). Plugging in these values, we can solve for D:

s(0)=−sin(0)+11(0)+D=0

D=0

So, the displacement function is:

s(t)=−sin(t)+11t

Now, to find the distance traveled, we evaluate s(t) over the given time interval:

Distance=s(π/2​)−s(0)

Distance=(−sin(π/2​)+11(π/2​))−(−sin(0)+11(0))

Distance=−1+11π​/2 = 16.27887 kilometers

Therefore, the distance traveled by the car from t=0 to t=π/2​ is 16.27887 kilometers​.

 

 

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Test: Integrals- 1 - Question 3

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Using By parts,


2I = x|x|

I=x|x|/2

Test: Integrals- 1 - Question 4

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√2 - 1 + 2√3 - 2√2 + 6 - 3√3
5 - √2 - √3

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The correct option is d : 26/3

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Test: Integrals- 1 - Question 19

dx can be evaluated by the substitution

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Test: Integrals- 1 - Question 21

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Since g(x) and h(x) are integrals of the same function , therefore ; g(x) – h(x) is constant.

Test: Integrals- 1 - Question 22

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Test: Integrals- 1 - Question 23

then the value of the integral

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