Which of the following best describes a mechanical wave?

A. A periodic disturbance of a medium.

B. A movement of matter.

c. A transfer of energy.

D. When energy is converted from one form to another.

Two objects were lifted by machine one object had a massive 2 kg it was lifted at a speed of 2 m/s the other had a massive 4 kg and was lifted at a rate of three meters per second which object has more kinetic energy

A 7.12 μC charge is moving at the speed of light in a magnetic field of 4.02 mT. What is the force on the charge?

A gas sample is confined within a chamber that has a movable piston. A small load is placed on the piston; and the system is allowed to reach equilibrium. If the total weight of the piston and load is 70.0 N and the piston has an area of 5.

Sound waves travel slower in colder air than in warmer air why does the speed of sound depend on air temperature?

Convert 1 dyne into newton

A stone falls from a ledge and takes 8 seconds to hit the ground the stone has an original velocity of 0m/s how tall is the ledge

Making a product more user-friendly based on the results of prototype tests is an example of input.

What is the pressure amplitude for the threshold of human hearing?

1. Does the validity of the principle of conservation of momentum depend on the validity of Newton's 3rd law of motion?

A mass of 8 kg. moves at a rate of 14.3m / sec. what is the KE developed by the mass