Rate of change of velocity is acceleration
Answer:
D
Explanation:
The decrease in potential energy is equal to the increase in kinetic energy.
mgh
250 x 9.8 x 30
=73, 500
A window is the most transparent object from these, so that is the answer.
Answer:
Static energy
Explanation:
Think of it as a balloon rubbing against your hair, the two attractions of friction causes Static energy.
Answer:
Explanation:
Given
Both cars mass is m
and solving problem in Vertical and horizontal direction
considering + y and +x to be positive and u be the final velocity of system
Conserving Momentum in Vertical direction

------1
Conserving momentum in x direction
-----2
squaring and adding 1 &2



