If a 2.2 kg textbook weighs 19.6 newtons on venus, what is the strength of gravity

on venus?

The water flowing over niagara falls drops a distance of 50 m. if all the gravitational potential energy is converted to thermal energy, by what temperature does the water rise? the specific heat of water is 4186 j/kg ∙ k. a)0.42 c° b)0.37 c° c)0.12 c° d)0.10 c°