Need answer asap 1). in terms of both volume and density, explain what happens to water when it changes to ice. 2). you are given an unknown sample of a substance. you are informed by your teacher the sample is a metal. describe at least 2 characteristics all metals should display.

In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.

How many times did thomas edison mess up the light bulb

Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance