Free Fall Quiz

What is the variable for the initial or starting speed for an object in free fall?

• v_f

• v

• v_o

• none of these is correct

What is the value for the starting velocity for an object in free fall?

• 9.78 m/s/s

• 10 m/s/s

• 981 m/s/s

• none of these is correct

What happens to the speed of an object in free fall as it falls?

• increases

• decreases

• it does not change

What happens to the acceleration of an object in free fall as it falls?

• increases

• decreases

• does not change

What is the variable for the impact velocity for an object in free fall?

• v_f

• v

• v_o

• a

An object is in free fall for 3 s. Approximately how fast will it be going?

• 10 m/s

• 20 m/s

• 30 m/s

• can't be determined from this information

A rock falls 45 m in 3 s in free fall. What was the initial velocity?

• 0 m/s

• 30 m/s

• 45 m/s

• none of these is correct

A rock falls 45 m in 3 s in free fall. What is d?

• 0 m/s

• 30 m/s

• 45 m

• 3 s

A rock falls 45 m in 3 s in free fall. What is t?

• 0 m/s

• 30 m/s

• 45 m

• 3 s

An object falls 5 m in 1 s and is going 10 m/s at that point. What is the final velocity?

• 5 m

• 1 s

• 10 m/s

• 0 m/s