A student uses a force of 46 Newtons to push her bike 57 meters. How much work has she done? W = F x D

The answers is a nuclear changes

Ans. : frostbite is when exposure to cold temperatures causes freezing to the skin or other tissues. it most commonly affects the hands, feet, and face. the longer areas are exposed to cold, typically the worse the frostbite. the water temperature used for rewarming a frostbitten part should be : (102 -105) f degrees.