Physics 12 Practice Quiz for Kinematics

Solutions

 

1)      A runner runs from Laguna Alalay to the Mormon Temple which is 3.5 km to the north in 10 minutes.

a)      What is their displacement?

b)      What is their average velocity?

c)      If they are traveling at 2.0m/s  3.0 seconds before they arrive at the Temple and come to a stop at the end of their run, what is their average acceleration for the last 3.0 seconds?

2)      A ball is thrown with an purely upward velocity of 2.5 m/s from a height of 50.0 m:

a)      How high will the ball go?

b)      How long will it take to hit the ground?

c)      With what velocity will it hit the ground? 

3)      A ball is thrown with an initial velocity of 20 m/s at an angle of 25º above the horizontal:

a)      How long until it reaches a height of 1.0 m?

b)      How far will it have traveled horizontally at this point?

c)      What will its velocity be at this point?