Target: 10 Questions in 10 minutes

An IB Physics data booklet is helpful

 1. The acceleration of a body is the..

  • A. rate of change of velocity
  • B. rate of change of speed
  • C. rate of change of position
  • D. rate of change of displacement

 2. The velocity of a body is the..

  • A. rate of change of acceleration
  • B. rate of change of speed
  • C. rate of change of position
  • D. rate of change of motion

3. The quantities below are used in kinematics. Which of the following lists only includes vectors?

  • A. distance, velocity, acceleration
  • B. displacement, velocity, acceleration
  • C. displacement, velocity, speed
  • D. distance, velocity
4-6. A ball is dropped from a cliff.
The graph below shows how the velocity of the ball changes during the first 10 seconds:

terminal velocity graph

 

  

4. What is the average acceleration of the ball over the first 10 seconds?

  • A. 0 ms-2
  • B. 2 ms-2
  • C. 4 ms-2
  • D. 10 ms-2

5. What is the instantaneous acceleration of the ball at t=0 s and t = 10 s?

 acceleration at t=0 s acceleration at t=10 s
A
 0 2
B
 10 2
C
 10 0
D
 0 10

6. During the first 5 seconds of motion, how would the velocity and acceleration of the ball be described?

velocity acceleration
A
 uniform uniform
B
 uniform non-uniform
C
 non-uniform uniform
D
 non-uniform non-uniform

 

7-10: The diagram below shows the path of a projectile fired at 10 ms-1. Air resistance is negligible during the flight of the projectile.

path of projectile

  

 

7. The shape of this projectile curve is:

  • A. parabolic
  • B. elliptical
  • C. logarithmic
  • D. a sector of a circle

8. Which of the following gives the vertical component of the initial velocity?

  • A. 10 cos(30o)
  • B. 10 sin(30o)
  • C. cos(30o) /10
  • D. sin(30o) /10

9. The initial velocity of the projectile is increased without changing the launch angle. Which of the following statements is incorrect?

  • A. The maximum height reached increases
  • B. The total distance travelled increases
  • C. The time taken to reach the impact point stays the same
  • D. The impact velocity also increases

 
10. The projectile is now fired upwards from a building. The black dotted line shows the path when air resistance is negligible.
Which of the solid curves shows the flight of the projectile when air resistance is NOT negligible?
A. path of projectile option A B.path of projectile option A
C.path of projectile option A D.path of projectile option A