1. Calculate the kinetic energy of a 5.2kg object moving at 2.4 m/s

Question

7. Calculate the potential energy of a 5.2kg object positioned 5.8m above the ground
21. Calculate the speed of a 5.2 kg object that possesses 26.1 J of kinetic energy.

Answer 1

recall that

KE = 1/2 mv^2
PE = mgh

Now just plug in your numbers.

Answer 2

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