An object accelerates when it slows or its direction of movement changes.

A race car increases its speed from 11 m/s to 53 m/s during  a 7.0 s  time interval.  What is its acceleration?  

Explain how stopping and starting in a car can both be used as examples of inertia.    

A heavy object and a light object are dropped from rest at the same time in a vacuum. The heavier object will reach the ground

A boy on a skateboard pushes off the ground with his foot. He and the skateboard accelerate down the sidewalk due to the force

Find the heat required to raise the temperature of 450.0 g of water from 20.0oC to 45.0oC.

When water vapor condenses to a liquid

The following scatterplot is constructed from major and minor axis measurements from a sample of 100 raisins. The overlying curves correspond to 68%, 95%, and 99.8% prediction ellipses. What does this plot suggest about the assumption of bivariate normality of this data set? Explain your answer by referring to relevant characteristics of the plot.

Match the correct term to each statement.

The acceleration of gravity near the surface of Earth is 9.8 m/s2.