A cheetah can accelerate from rest to a speed of 21.0 m/s in 6.25 s. What is its acceleration? = m/s2

A runner starts slowing down as she gets tired. At 10 seconds, she 8m/a, and slows down to 2m/a at 13 seconds. What is her acceleration.

What is the function of polarized glasses? A. to eliminate horizontally polarized light B. to eliminate vertically polarized light C. to allow all light D. to block all polarized light

The rate at which work is done is called

An enemy spaceship is moving toward your starfighter with a speed of 0.400 c, as measured in your reference frame. The enemy ship fires a missile toward you at a speed of 0.700 c relative to the enemy ship. If you measure the enemy ship to be 7.

Anya recorded the temperatures of four different smooth materials after they were placed under a heat lamp for thirty minutes. Which conclusion is best supported by the information in the chart?

A car traveled 176 miles on 6.4 gallons of fuel the car averaged how many miles per gallon

Which of these describes how heat is transferred by radiation? A.) Warm air rises and takes heat with it; eventually it cools and sinks. B.) Sunlight travels through space without the aid of fluids or solids. C.

A body is moving with a velocity of 12m/s and it comes to rest in 2 minutes, what was the acceleration?

How can you find magnitude of velocity from a displacement time graph of an object?

Consider two rocks with masses of 1 and ten kilograms. What is the relation between their inertia's? Between their masses? Between their weights on earth?