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WorksheetsFinal Exam Review Pt2
Total questions: 42
Worksheet time: 7hrs 0mins
An airplane accelerates down a runway at 3.20 m/s/s for 32.8 s until is finally lifts off the ground. Determine the distance traveled before takeoff.
1720m
104.96m
1270m
2704m
A car starts from rest and accelerates uniformly over a time of 5.21 seconds for a distance of 110 m. Determine the acceleration of the car.
21.11 m/s2
8.10 m/s2
573.10 m/s2
2.50 m/s2
A feather is dropped on the moon from a height of 1.40 meters. The acceleration of gravity on the moon is 1.67 m/s/s. Determine the time for the feather to fall to the surface of the moon.
t = 2.58 s
t = 1.29 s
t = 0.65 s
t = 1.03 s
Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered sled is accelerated to a speed of 444 m/s in 1.83 seconds, then what is the acceleration and what is the distance that the sled travels?
a = 486 m/s/s d = 406 m
a = 243 m/s/s d = 406 m
a = 243 m/s/s d = 203 m
a = 486 m/s/s d = 203 m
A bike accelerates uniformly from rest to a speed of 7.10 m/s over a distance of 35.4 m. Determine the acceleration of the bike.
a = 0.31 m/s/s
a = 2.14 m/s/s
a = 4.99 m/s/s
a = 0.71 m/s/s
An engineer is designing the runway for an airport. Of the planes that will use the airport, the lowest acceleration rate is likely to be 3 m/s/s. The takeoff speed for this plane will be 65 m/s. Assuming this minimum acceleration, what is the minimum allowed length for the runway?
d = 10 m
d = 1408 m
d = 704 m
d = 352 m
A car traveling at 22.4 m/s skids to a stop in 2.55 s. Determine the skidding distance of the car (assume uniform acceleration).
d= 28.6 m
d = 14.3 m
d = 57.1 m
d = 8.8 m
A kangaroo is capable of jumping to a height of 2.62 m. Determine the takeoff speed of the kangaroo.
vi = 5.24 m/s
vi = 3.6 m/s
vi = 14.4 m/s
vi = 7.2 m/s
A bullet leaves a rifle with a muzzle velocity of 521 m/s. While accelerating through the barrel of the rifle, the bullet moves a distance of 0.840 m. Determine the acceleration of the bullet (assume a uniform acceleration).
620 m/s/s
1.62 m/s/s
162000 m/s/s
81000 m/s/s
A baseball is popped straight up into the air and has a hang-time of 6.25 s. Determine the height to which the ball rises before it reaches its peak. (Hint: the time to rise to the peak is one-half the total hang-time.)
d = 48 m
d = 96 m
d = 63 m
d = 24 m
The observation deck of tall skyscraper 370 m above the street. Determine the time required for a penny to free fall from the deck to the street below.
t = 37.0 s
t = 75.5 s
t = 8.69 s
t = 4.35
A bullet is moving at a speed of 367 m/s when it embeds into a lump of moist clay. The bullet penetrates for a distance of 0.0621 m. Determine the acceleration of the bullet while moving into the clay. (Assume a uniform acceleration.)
a = -108 m/s/s
a = -1.08 m/s/s
a = -1080000 m/s/s
a = -1080 m/s/s
A stone is dropped into a deep well and is heard to hit the water 3.41 s after being dropped. Determine the depth of the well.
d = 28 m
d = 17 m
d = 34 m
d = 57 m
It was once recorded that a Jaguar left skid marks that were 290 m in length. Assuming that the Jaguar skidded to a stop with a constant acceleration of -3.90 m/s/s, determine the speed of the Jaguar before it began to skid.
v1 = -1131 m/s
v1 = 47.6 m/s
v1 = 65 m/s
v1 = -11.3 m/s
A plane has a takeoff speed of 88.3 m/s and requires 1365 m to reach that speed. Determine the acceleration of the plane and the time required to reach this speed.
a = 2.86 m/s/s .... t = 30.8 s
a = 2.86 m/s/s .... t = 15.4 s
a = 1.43 m/s/s .... t = 30.8 s
a = 1.43 m/s/s .... t = 15.4 s
A dragster accelerates to a speed of 112 m/s over a distance of 398 m. Determine the acceleration (assume uniform) of the dragster.
a = 7.9 m/s/s
a = 4.0 m/s/s
a = 15.8 m/s/s
a = 31.6 m/s/s
With what speed must an object be thrown to reach a height of 91.5 m (equivalent to one football field)? Assume negligible air resistance.
vi = 42.3 m/s
vi = 915 m/s
vi = 84.6 m/s
vi = 21.2 m/s
A car is traveling to the right with a speed of 29m/s when the rider slams on the accelerator to pass another car. The car passes in 110 m with constant acceleration and reaches a speed of 34m/s. We want to find the acceleration of the car as it sped up. What equation should you choose?
v=vo+at
d=vot+1/2at2
v2=vo2+2ad
d=1/2(v+vo)t
Kinematic equation can only be used when you have a constant ....
Position
Velocity
Acceleration
Time
The unit we use to measure acceleration is ___.
m/s
m
s
m/s2
A car starts from rest and accelerates uniformly over a time of 5.21 seconds for a distance of 110 m. Determine the acceleration of the car. Choose the appropriate equation.
v=vo+at
d=vot+1/2at2
v2=vo2+2ad
d=1/2(v+vo)t
Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered sled is accelerated to a speed of 444 m/s in 1.83 seconds, then what is the distance that the sled travels?
Choose the appropriate equation.
v=vo+at
d=vot+1/2at2
v2=vo2+2ad
d=1/2(v+vo)t
If Michael Jordan has a vertical leap of 1.29 m, then what is his takeoff speed if his acceleration is -9.8 m/s2 and his velocity at the top of his leap i 0 m/s?
v=vo+at
d=vot+1/2at2
v2=vo2+2ad
d=1/2(v+vo)t
The unit we use to measure speed is ___.
m/s
m
s
m/s2
The unit we use to measure distance is ___.
m/s
m
s
m/s2
The unit we use to measure time is ___.
m/s
m
s
m/s2
Which of the following symbols represent speed at any time?
v
v0
a
x
An object free falls for 3.5 seconds. How far does it fall?
120.05 m
17.15 m
60.03 m
34.3 m
A baseball is thrown up into the air. What happens to the acceleration as the ball rises in the air?
the acceleration increases
the acceleration decreases
the acceleration remains constant
A baseball is thrown up into the air. What happens to the velocity as the ball rises in the air?
the velocity increases
the velocity decreases
the velocity remains constant
Heavier objects free fall faster than lighter objects.
True
False
A free falling objects falls under the influence of the
force of air
force of gravity
force of resistance
net force
All objects free fall at the same rate of acceleration, regardless of their mass?
True
False
All free-falling objects (on Earth) accelerate at
-9.8
9.8
11
0
Since the slope of any velocity versus time graph is the acceleration of the object, the constant, negative slope indicates a
constant, positive acceleration
no movement
stops
constant, negative acceleration.
What is this graph called?
Velocity-Time
Position-Time
Motion-Graph
What is this graph called?
Velocity-Time
Position-Time
Motion-Graph
All free-falling objects (on Earth) accelerate downwards at a rate of 9.8 m/s/s (negative). This quantity known as?
upward
downward
acceleration of gravity
falling down
