A race car traveling at 50 m/s applies its brakes and comes to a complete stop in 5.0 seconds. what is the car’s acceleration?

The earth __________around the sun and __________around its axis.

What is a centripetal force?

As the rotational speed of an object increases its linear speed

If you whirl a tin can on the end of a string and the string suddenly breaks the can will fly____________.

A ball is left in the cabin of an airplane. When the plane accelerates forward, the ball rolls to the back of the cabin. What happens when the plane stops?

If a person has a mass of 20 kg, what is there weight in Newtons and pounds on Earth? (g= 10 m/s2 and 1 kg = 2.2 lbs.)

There are ________ centimeters in 2.5 meters?

A tire on a car has a radius of .9 m and rotates at an angular speed of 60 rad/s. How fast is the car traveling?

A ball is thrown straight down at a speed of 3.0 m/sec and accelerates under the pull of gravity for 2.0 seconds. How fast is it moving? (v=v0+at; x=v0t+1/2at2)

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