Energy can change form, but the total amount of energy stays the same.
At 4 m/s?
How do the two kinetic energies compare to one another? QUADRUPLES !
#3 What is the kinetic energy of a 2,000 kg bus that is moving at 30 m/s?
Potential energy
5 second fall starting at 0 m/s
ball strikes ground at a speed = 49 meters per second.
C..............................
Answer:
5 is the tripoid stand
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