Apitcher throws a baseball straight up, with an initial speed of 25 m/s. (a) how long does it take to reach the highest point? (b) how high does the ball rise above its release point? (c) how long will it take for the ball to reach a point 25 m above its release point?

a) 2.55 seconds

b) 31.86 m

c) 1.4 seconds

Explanation:

t = Time taken

u = Initial velocity = 25 m/s

v = Final velocity

s = Displacement

a = Acceleration due to gravity = 9.81 m/s²

a)

Time taken by the ball to reach the highest point is 2.55 seconds

b)

The highest point reached by the ball above its release point is 31.86 m

c)

It takes 1.4 seconds to reach a point of 25 m above its release point

jupiter is the largest planet in our solar system, having a mass and radius that are respectively, 318 and 11.2 times that of earth. suppose that an object falls from rest near the surface of each planet and that the acceleration due to gravity remains constant during the fall. each object falls the same distance before striking the ground. determine the ratio of the time of fall on jupiter to that on earth.

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explanation: