2. An 800-g bird has 47.0 J of gravitational potential energy when it is perched high up in a tree. Calculate the bird's vertical height from the ground.

1 answer
Question:

2. An 800-g bird has 47.0 J of gravitational potential
energy when it is perched high up in a tree.
Calculate the bird's vertical height from the ground.

Answers

Ep = mgh = 47.0 Jm = 0.8 kgg = 9.81 m/s2 (average)h = Ep / mg = 47 J / 0.8 kg * 9.81 m/s2 = 5.989 m

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