A motor has the electrical energy equivalent to 400. joules of work. It can lift a 5.0 kg mass 2.0 meters. Calculate the work done by the motor.

In order to accelerate an object, you must push harder on it than it pushes back on you True or False

In an adiabatie procesa, what happens when gases in a system are compressed? The system absorbs all of the heat The ayatem releases all of the heat The temperature of the syatem inereases The temperature of the system decreases

In any one material, all electromagnetic waves have the same a. wavelength. b. velocity. c. frequency. d. amplitude.

A toy car is moving along with 0.40 joules of kinetic energy if it's speed is double then it's new kinetic energy will be?

What does snells law of refraction fail

Crickets chirpy and milada jump from the top of a vertical cliff. chirpy drops downward and reaches the ground in 2.70 s, while milada jumps horizontally with an initial speed of 95.0 cm>s.

Explain how gamma rays are produced by energy

A mechanical wave may be described as a disturbance that is transported through a medium via the mechanism of particle-to-particle interaction. Which of these is not classified as a mechanical wave? A) earthquake B) light C) sound D) water

How many paths do the electrons have to flowlin a series circuit?

A force of 6 lb is required to hold a spring stretched 4 in. beyond its natural length. How much work W is done in stretching it from its natural length to 8 in. beyond its natural length?