The unit for momentum is which of the following?

a. N

b. kg-N

c. kg-m/s

d. All of these are units for momentum.

Why do so many tornadoes occur in tornado alley?

Put the items in the correct order Analyze data Ask a question Construct a hypothesis Do background research Draw conclusions Test your hypothesis by doing an experiment Report your results

You and two friends apply a force of 425 N to push a piano up a 2.0 m long ramp. If lifting the piano straight up requires 1700 N of force, what is the mechanical advantage of the ramp?

What causes some objects' motion to change?

Rahul is going to school on his bicycle through a very busy street then which type of motion is it.

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