14 Jan 2022
Problem 41
Page 45
Section: Problems
Chapter 2: Describing motion: Kinematics in one dimension
Textbook ExpertVerified Tutor
14 Jan 2022
Given information
We are given that:-
Given time in the ball comes to the same height from where the ball was thrown is
Step-by-step explanation
Step 1.
Let us assume that the ball was thrown with a speed of in the upward direction. Since only gravitational force acts on the particle in the downward direction, it has a constant acceleration in the downward direction.
We also know that a particle has the same magnitude of velocity when it is under a free fall at a fixed height but direction is opposite i.e., initially in the upward direction and finally in the downward direction.
Hence, the particle was thrown with a speed of
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