Speed, Velocity, Acceleration 2 Question Preview (ID: 13376)
Speed, Velocity, Acceleration.
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The rate at which speed changes is called
a) acceleration
b) average speed
c) constant speed
d) changing speed
Which value is a velocity?
a) 20m/s North
b) 20m/s
c) 47km/hr
d) 16mi/hr
Timothy runs 51m in 14s. What is his speed? S=D/T
a) 714m/s
b) 0.28m/s
c) 3.6m/s
d) 36m/s
What is the velocity of a dancer moving 7 meters towards the left side of the stage over the course of 20 seconds?
a) 3.4m/s
b) 140m/s
c) 2.9m/s
d) 0.35m/s
A student needs to travel a total of 400 miles to reach his vacation destination. If he drives at an average speed of 50 mph, how many hours will it take for him to complete th
a) 7 hours
b) 4 hours
c) 8 hours
d) 5 hours
A helium balloon is carried by the wind at a constant speed of 10.17mph. How far did the balloon travel in one day?
a) 244.08 miles
b) 10.17 miles
c) 203.40 miles
d) 20.34
During the final straight stretch of a race, a runner increases her speed from 4.2m/s to 9.1 m/s in 4 seconds. What is the acceleration of the runner?
a) 3.325m/s/s
b) 1.225m/s/s
c) 1.05m/s/s
d) 2.275m/s/s
A student drives at a constant speed. In the first 2 hours she travels 66 miles. How far will she have traveled after 5 hours?
a) 165 miles
b) 132 miles
c) 330 miles
d) 660 miles
A car increases its speed from 30 mph to 80 mph in 3 seconds. What is the acceleration of the car?
a) 30.0m/s/s
b) 16.7m/s/s
c) 26.7m/s/s
d) 36.7m/s/s
A student can ride his bicycle at an average speed of 6 mph. If he cycles for 4 hours, how far can he travel?
a) 24 miles
b) 1.5 miles
c) 2 miles
d) 30 miles
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