How much heat must be removed from 1.61 kg of water at 0 ∘C to make ice cubes at 0 ∘C?

Frank just graduated from eighth grade. assuming exactly four years from now he will graduate from high school how many seconds does he have until his high school graduation

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?

What energy transformations occur each time the skateboarder rolls up the ramp?