22. The main difference between speed and velocity involves

A. direction.

B. weight.

C. distance.

D. gravity.

a 0.10kg piece of copper at an initial temperature of 95C is dropped into 0.20kg of water contained in a 0.28kg aluminum calorimeter. the water and calorimeter are initially at 15C.

A 1 kg apple sits on a table. What is the normal force of the table acting on the apple?

What evidence can you cite for the particle nature of light? 1. Refraction phenomenon of light 2. The many colors of light 3. Diffraction phenomenon of light

The school is about 1500 m away. you run toward the school with an average velocity of 3 m per sec. how long did it take you to get to school in seconds

What happens to the force of gravitational pull if we tripled the distance and one of the masses is doubled

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