What has more momentum a heavy truck or a moving skateboard?

In which scenario is the least amount of work done on a crate? A) a force of 120 N moves it 25m. B) a force of 115 N moves it 26m. C) a force of 130 N move it 22 m. D) a force of 125 N moves it 27m.

A 4-W night-light is plugged into a 120-V circuit and oper - ates continuously for 1 year. Find the following: (a) the current it draws, (b) the resistance of its filament, (c) the energy consumed in a year.

A swimming pool of width 9.0 m and length 24.0 m is filled with water to a depth of 3.0 m. Calculate the pressure on the bottom of the pool due to the water

What is the measure of disorder in a system called? A. efficiency B. Enthalpy C. Work D. Entropy

What happens to the molecules when a gas is compressed? They maintain their temperature, There is a drop in temperature There is a rise in temperature.

The amount or the strength of force is called its

An airplane in flight has a pressure difference between the lower and upper wing surface; this provides an upward force that balances the weight of the plane.

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Why does momentum have a direction?

What is the difference between weight and mass?