How could the speed of a car be determined?

In a certain material there is a current of 16 A flowing through a surface to the right, and there is an equal amount of positive and negative charge passing through the surface producing the current.

A child and sled with a combined mass of 50.0 kg slide down a frictionless slope. if the sled starts from rest and has a speed of 4.00 m/s at the bottom, what is the height of the hill? m

Which of the following has the ability to turn light energy into chemical energy? A. an automobile B. a tree C. a book D. a generator

A rock is placed in a graduated cylinder containing water, and the cylinder is covered to avoid evaporation. The next morning the water level has dropped by 5.65 ml. No one has to the cylinder, and the cylinder has no leaks.

When a gun is fired how come yhe recoil is not strong enough to knock the shooter over?

What factors increase a wave's amplitude?

Which, at the same temperature, will cool slower on a hot day a. bread b. watermelon c. potatoes d. dry beans

The kinetic molecular theory predicts that the pressure rises as the temperature of a gas increases because: a. the average kinetic energy of the gas molecules decreases. b. the gas molecules collide less frequently with the interior wall. c.

As you increase current, what happens to the strength of an electromagnet?

After the first two weeks of conception is called?