IPC Spring Final Review

What is the speed of the ball at 2 sec?

What is the ball’s acceleration between 0 sec and 3 sec?

The speed of the ball is

• Increasing

• Decreasing

• Constatn

The acceleration of the ball is

• Increasing

• Decreasing

• Constatn

In 1985, Matt Biondi set a record for the men’s 100 m freestyle event in swimming.

If it took him 49.17 s to finish the event, what was his speed?          

A pitcher throws a fastball, giving the baseball a momentum of 5.83 kg·m/s.

Given that the baseball has a mass of 0.145 kg, what is its speed?

A freight train begins braking as it approaches a train yard.

Its velocity drops from 18.0 m/s to 13.0 m/s in 23 s. What is the train’s acceleration?

A baseball with a mass of 0.14 kg accelerates downward at 9.8 m /s². 

What is the force acting on the baseball?

Label each of the following as examples of Newton’s 1^st Law, Newton’s 2^nd Law or Newton’s 3^rd Law.

The paddle of a boat is pushed backward, but the boat moves forward.

• 1st Law

• 2nd Law

• 3rd Law

Label each of the following as examples of Newton’s 1^st Law, Newton’s 2^nd Law, or Newton’s 3^rd Law.

A passenger in a car flies forward when the car stops suddenly.   

• 1st Law

• 2nd Law

• 3rd Law