Speed, Acceleration, Momentum Problems Question Preview (ID: 15311)
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3 m/s west is an example of a(n)
a) speed
b) velocity
c) position
d) acceleration
A driver traveled 270km in 3 hours. What was the driver's average speed at this point?
a) 40 km/h
b) 90 km/h
c) 140 km/h
d) 420 km/h
A ball moving at 30 m/s has a momentum of 15 kg-m/s. The mass of the ball is --
a) 45 kg
b) 15 kg
c) 2.0 kg
d) 0.5 kg
Which bike rider has the greatest momentum?
a) 40 kg person riding at 45 km/h
b) 50 kg person riding at 35 km/h
c) 60 kg person riding at 25 km/h
d) 70 kg person riding at 15 km/h
How much force is needed to accelerate a 1300 kg car at a rate of 1.5 m/s/s?
a) 867 N
b) 1950 N
c) 8493 N
d) 16562 N
The acceleration due to gravity is --
a) 98 m/s
b) 9.8 m/s
c) 9.8 m/s/s
d) 0.98 m/s/s
A person walking covers 5.20m in 10.4 seconds. How fast is the person moving?
a) 0.5 m/s
b) 2.0 m/s
c) 54.08 m/s
d) 5.2 m/s
A car goes from 16 m/s to 2 m/s in 3.5 s. What is the car's acceleration?
a) -4.0 m/s/s
b) 4.0 m/s/s
c) 3.2 m/s/s
d) -5.22 m/s/s
What is the rate of change of velocity?
a) Momentum
b) Displacement
c) Acceleration
d) Position
What is the mass of a car that is moving at a rate 2.0 m/s/s and be pushed with a force of 500 Newtons?
a) 1000 kg
b) 250 kg
c) 500 kg
d) 1500 kg
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