# Free AP Physics B Practice Questions with Solutions Sample 1 - Kinematics

AP Physics B multiple choice questions, with answers, similar to the questions in the AP physics exam are presented. The questions are speed, distance, acceleration, displacement and other concepts. The answers are at the bottom of the page. g = 10 m/s2 may be used in calculations.

1. An object is thrown vertically upward at time t = 0, at the speed of 40 m/s, from the top of a building that has a height of 80 meters. For what period of time is the height of the object more that the height of the building?
A) From t = 4 to t = 8 seconds
B) From t = 0 to t = 4 seconds
C) From t = 2 to t = 8 seconds
D) From t = 0 to t = 8 seconds
E) From t = 0 to t = 6 seconds

2. An object is thrown vertically upward at time t= 0, at the speed of 40 m/s, from the top of a building that has a height of 80 meters. At what time is the height of the object the highest?
A) at t = 8 seconds
B) at t = 4 seconds
C) at t = 2 seconds
D) at t = 1 seconds
E) at t = 0

3. An object is thrown vertically upward at time t = 0, at the speed of 40 m/s, from the top of a building that has a height of 100 meters. At what time will the object hit the ground?
A) at t = 4 seconds
B) at t = 4 seconds
C) at t = 8 seconds
D) at t = 10 seconds
E) at t = 20 seconds

4. A person runs 2 laps and one half of a circular track of radius 100 meters in 2 minutes and 80 seconds. What is the magnitude of the average velocity of this person?
A) 2.5 π m/s
B) 0.5 m/s
C) 1 m/s
D) 2 m/s
E) 1.25 π m/s

5. A car starts accelerating uniformly, along a straight road, from a velocity of 10 m/s at time t = 0 to a velocity of 30 m/s in 5 seconds . What was the magnitude of the velocity of the car a t = 3 seconds?
A) 22 m/s
B) 20 m/s
C) 40 m/s
D) 50 m/s
E) 80 m/s

6. A car accelerates uniformly from rest to a velocity of 30 m/s in 10 seconds, then moves at the same speed for 1 minute and finally starts decelerating to a stop in 6 seconds. What is the displacement of the car?
A) 2,280 m
B) 510 m
C) 300 m
D) 480 m
E) 2,040 m

1. D
2. B
3. D
4. C
5. A
6. E