Speed Acceleration And Velocity Question Preview (ID: 47936)
Speed Acceleration And Velocity.
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What is the speed of a rocket that travels 9000 meters in 12.12 seconds?
a) 742.57 m/s
b) 109080 m/s
c) 109080 meters
d) 742.57 meters
What is the speed of a jet plane that travels 528 meters in 4 seconds?
a) 2112 m/s
b) 2112 se
c) 132 m/s
d) 132 s
How far (in meters) will you travel in 3 minutes running at a rate of 6 meters/second?
a) 18 m
b) 1080 m
c) .5 m
d) 30m
A ball rolls down a ramp for 15 seconds. If the initial velocity of the ball was 0.8 m/sec and the final velocity was 7 m/sec, what was the acceleration of the ball ?
a) .413 meters per second squared
b) -.413 meters per second squared
c) .37 meters per second squared
d) 24 meters per second squared
A meteoroid changed velocity from 1.0 km/s to 1.8 km/s in 0.03 seconds. What is the acceleration of the meteoroid?
a) 26.7 km per second
b) 26.7 km per second squared
c) -26.7 km per second squared
d) 34 km per second squared
Calculate the velocity of a mountain climber if that climber is moving south at a pace of 235 meters in 350 seconds?
a) .67 meters per second south
b) .67 meters per second
c) 1.49 meters per second south
d) 1.49 meters per second
A skier reaches the bottom of a slope with a velocity of 23 meters per second north. If the skier comes to a complete stop in 7 seconds, what was her acceleration?
a) .304 meters per second squared
b) - .304 meters per second squared
c) -3.28 meters per second squared
d) 3.28 meters per second squared
A car goes from 0 to 60 miles per hour north in 2 hours. What is the car’s acceleration?
a) 30 miles per hour squared
b) -30 miles per hour squared
c) .030 miles per hour squared
d) -.030 miles per hour squared
A physical measurement that contains directional information
a) vector
b) scalar
c)
d)
The time rate of change of an object’s velocity
a) speed
b) velocity
c) acceleration
d)
A cart rolling down an incline for 6.0 seconds has an acceleration of 5.0 m/s2. If the cart has a beginning speed of 2.0 m/s, what is its final speed?
a) 30 m/s
b) 28 m/s
c) 32 m/s
d) -32 m/s
A helicopter’s speed increases from 15 m/s to 50 m/s in 5 seconds. What is the acceleration of this helicopter?
a) 7 m/s/s
b) -7 m/s/s
c) -45 m/s/s
d) 45 m/s/s
A cyclist accelerates at a rate of 8.0 m/s2. He starts at rest. How long will it take the cyclist to reach a speed of 20 m/s?
a) 2.5 seconds
b) .4 seconds
c) - 2.5 seconds
d) -.4 seconds
A skateboarder traveling at 4.0 meters per second rolls to a stop at the top of a ramp in 5 seconds. What is the skateboarder’s acceleration?
a) .8 m/s/s
b) -.8 m/s/s
c) -1.3 m/s/s
d) 1.3 m/s/s
As she climbs a hill, a cyclist slows down from 15 mi/hr to 4 mi/hr in 12 seconds. What is her deceleration?
a) -.92 m/s/s
b) .92 m/s/s
c) -132 m/s/s
d) 132 m/s/s
A car traveling at a speed of 40.0 m/s encounters an emergency and comes to a complete stop. How much time will it take for the car to stop if it decelerates at -5.0 m/s2?
a) .125 seconds
b) 8 seconds
c) 200 seconds
d)
A parachute on a racing dragster opens and changes the speed of the car from 95 m/s to 40 m/s in a period of 5.5 seconds. What is the acceleration of the dragster?
a) -10 m/s/s
b) 10 m/s/s
c) 24.5 m/s/s
d) -24.5 m/s/s
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