A car speeds up as it rolls down a hill. which is this an example of? positive acceleration negative acceleration relative velocity

Which statement describes a step-down transformer? A. The tertiary coil has more loops. B. The magnetic field has more loops. C. The primary coil has fewer loops. D. The secondary coil has fewer loops.

What is the momentum of an 85 kg runner traveling at 8 m/s?

True or false: the phrase"crystal structure" refers to the repeating patterns in which atoms are arranged in a crystal

A little boy pushes a wagon with his dog in it. The mass of the dog and the wagon together is 45 kg. The wagon accelerates at. 85 m/s2. What force is the boy pulling with?

What is the charge of the nucleus of an oxygen atom? 0 -2 +8 +16

Why fan rotates in a clockwise direction and why not in a anti clockwise direction

If the force of gravity increases, which mearsurement will change and how? A.) weight decreases B.) mass increases C.) mass decreases D.) weight increases

A 6.0 kg box slides down an inclined plane that makes an angle of 39° with the horizontal. If the coefficient of kinetic friction is 0.19, what is the magnitude of the acceleration, in m/s2, of the box down the slope?

Identify the following as a suspension or a colloid. sand in water

A cyclist starts at a position of 0 m and takes 3 s to move east to a position of + 8 m. He then cycles west to a position of + 5 m which takes an additional 2 s. What is the cyclist's displacement? a. + 11mb. - 8mc. - 5m d. + 5m