Answer to Question #240019 in Field Theory for yooon

Question #240019

A tennis ball is dropped from 1.18 m above the ground. It rebounds to a height of 1.05 m. With what velocity does it hit the ground? The acceleration of gravity is 9.8 m/s 2 . (Let down be negative.) Answer in units of m/s.


1
Expert's answer
2021-09-21T07:21:43-0400

We can find the velocity of the tennis ball when it hits the ground from the kinematic equation:


v2=v02+2gs,v^2=v_0^2+2gs,v=2gs=29.8 ms21.18 m=4.81 ms.v=\sqrt{2gs}=\sqrt{2\cdot9.8\ \dfrac{m}{s^2}\cdot1.18\ m}=4.81\ \dfrac{m}{s}.

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be the first!

Leave a comment