Question

1. A soccer player receives a soccer ball 40 cm above the ground, and then kicks it with a velocity of 14 m/s. Consider mass of 890 g.

How much potential energy does the ball have?

2. A 21 kg boy is waiting at the top of a slide waiting to slide down. the slide is 2.5 meters above the ground. What type of energy does the boy have, and of which magnitude?

3. If the weight of a box at the top of a shelf is of 120 N. The shelf is 185 cm high. Calculate the potential energy of the box.

porfa poner procedimiento

Answer 1

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