A tow truck exerts a force of 4000 N on a car accelerating it at 4 m/s what is the mass of the car?

17. As the mass of an object increases, the force needed to accelerate the object a. stays the same b. decreases c. stops d. increases

A neuron dna exists within its

Most matter in the universe is revealed by, but dark matter is detected by the degree to which bends on its way to earth.

Which of the following everyday phenomenon are based on the Faraday's effect? a. using your TV remote to turn it on and off b. reading data from your computer's hard drive c. playing a CD/DVD swiping your credit/debit card at the market d.

Why does wind blow through california mountain passes

Gravity is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planers in orbit around the Sun.

What wave-like property of light causes it to bend when encountering an opening? A. Reflection B. all the above c. Refraction d. none of the above e. diffraction

Which of the following statements describe sliding friction? Select all that apply. 1.) a force that causes an object to increase speed 2.) a force in which one of the objects involved must be a liquid or a gas 3.

What do a broken rode and a volcano eruption have in common

What is the input of energy for a device that provides 50 units of useful energy and has an efficiency of 0.55?