5. Ana's father climbs the stairs in their house and increases his potential energy by 2,000J when he does. The mass of Ana's father is 81 kg. If Anna, who has a mass of 40 kg, climbs the stairs, how much potential energy would she gain? Tho woter elide ic
5. Ana's father climbs the stairs in their house and increases his potential energy by 2,000J when he does. The mass of Ana's father is 81 kg. If Anna, who has a mass of 40 kg, climbs the stairs, how much potential energy would she gain? Tho woter elide ic
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Transcribed Image Text:Gravitational Potential Energy
5. Ana's father climbs the stairs in their house and increases his potential energy by
2,000J when he does. The mass of Ana's father is 81 kg. If Anna, who has a mass
of 40 kg, climbs the stairs, how much potential energy would she gain?
6. A child of mass m starts from rest from the top of a water slide. The water slide is
7.6 meters high from the bottom of the slide, which is at water level. Assuming
that the slide's friction is negligible, what would be the child's speed at the
bottom of the slide?
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