A person flies their jet 2000 kilometers in 4 hours. What is the person's speed?
8000 kilometers per hour
8000 hours per kilometer
500 kilometers per hour
500 hours per kilometer
A toy falls off a shelf. The toy starts at 0 meters per second and speeds up to 18 meters per second. The toy speeds up in 3 seconds . What is the toy's acceleration?
21 m/s (meters per second)
21 m/s2 (meters per second squared)
6 m/s (meters per second)
6 m/s2 (meters per second squared)
What is the force needed to accelerate a bowling ball with a mass of 20 kg at an acceleration of 2 m/s2? Remember we measure force in Newtons.
18 N
20 N
40 N
22 N
My stopping distance is 60 meters and my braking distance is 10 meters. What is my reaction distance?
6 meters
50 meters
70 meters
600 meters
You are driving 50 m/s and it takes you 4 seconds to push the brake because you see a car stopped in front of you. What is your reaction distance?
200 m
54 m
10.5 m
46 m
The bus is moving at a constant speed because it has balanced forces acting on it. What force should go in the box?
