Explain the difference between mass weight

An elevator rising at a constant speed. What forces are acting on the elevaror? A: Normal and tension B: Gravity and tension C: Normal, gravity, and tension D: Gravity

What types of matter can sound travle through?

A 60kg of weight person climbs stairs of total height 20m in 2min. calculate the power

What is the time lapse between seeing a lightning strike and hearing the thunder if the lightning flash is 47 km away? The speed of light waves in air is 3 * 108 m/s and the speed of sound waves in air is 333 m/s.

If you notice a glacier continually melting underneath, what other feature might you notice? Icebergs Crevasses Basal slipping Plastic flow

A conductor, with outer surface labelled a, contains a cavity, inner surface b. In this cavity there is a conducting sphere of radius r, and surface c. The sphere carries a charge of 1 C, while the conductor a charge of 2 C.

In a frictionless environment, which energy stays the same? 1. Kinetic Energy 2. Potential Energy 3. Internal Energy 4. Total Mechanical Energy

In what order do the earth, sun, and moon line up in a totla solar eclipse

17. Ice has a water. albedo than land or O A. similar O B. opposite O c. higher O D. lower

When you put your hands on a cold object like a glass of ice water your hands become?