Question
If the kinetic energy of a 2.6 kg falling rock is 3,110 J, the rock's speed is ____ m/s. Only enter your numerical answer below
If the kinetic energy of a 2.6 kg falling rock is 3,110 J, the rock's speed is ____ m/s.
Only enter your numerical answer below - do not include units. Report your answer to 2 decimal places.
Hint:
KE = 1/2 m v^2
v = sqrt{ ( 2 KE ) / m }
Also the answer is not 77.40 or 77.39
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Thermal Physics
Authors: Charles Kittel, Herbert Kroem
2nd Edition
716710889, 978-0716710882
