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particle is thrown up vertically with a velocity of 50m/s. what will be its velocity at the highest point ?? how high would the particle rise?? what time would it take to reach the highest point?????
Most Upvoted Answer
particle is thrown up vertically with a velocity of 50m/s. what will b...
U= 50m/s
g= -10m/s^2

The velocity at the highest point will be 0 m/s
Thus v=0

Height can be calculated by

2gs=v^2-u^2
-20s= -2500
s= 125m

Time :
v= u+gt
0=50-10t
-50=-10t
t= 5sec

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Community Answer
particle is thrown up vertically with a velocity of 50m/s. what will b...
Initial Conditions:
The particle is thrown up vertically with a velocity of 50 m/s. We need to determine the velocity at the highest point, the height it reaches, and the time it takes to reach the highest point.

Velocity at the Highest Point:
At the highest point, the particle momentarily comes to rest before starting to fall downwards. Therefore, the velocity at the highest point will be 0 m/s.

Height Reached:
To find the height the particle reaches, we can use the kinematic equation:

v² = u² + 2as

where:
v = final velocity (0 m/s at the highest point)
u = initial velocity (50 m/s)
a = acceleration (due to gravity, which is approximately -9.8 m/s²)
s = displacement (height reached)

Rearranging the equation to solve for s, we have:

s = (v² - u²) / (2a)

Substituting the values, we get:

s = (0² - 50²) / (2 * -9.8)
s = (-2500) / (-19.6)
s ≈ 127.55 m

Therefore, the particle will rise approximately 127.55 meters.

Time to Reach the Highest Point:
To find the time it takes for the particle to reach the highest point, we can use the kinematic equation:

v = u + at

where:
v = final velocity (0 m/s at the highest point)
u = initial velocity (50 m/s)
a = acceleration (due to gravity, which is approximately -9.8 m/s²)
t = time

Rearranging the equation to solve for t, we have:

t = (v - u) / a

Substituting the values, we get:

t = (0 - 50) / (-9.8)
t = (-50) / (-9.8)
t ≈ 5.10 seconds

Therefore, it will take approximately 5.10 seconds for the particle to reach the highest point.

Summary:
- The velocity at the highest point is 0 m/s.
- The particle will rise approximately 127.55 meters.
- It will take approximately 5.10 seconds for the particle to reach the highest point.
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