Height above the ground
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Altitude
A car is driving at a steady 15 m/s around a circular track on level ground. Which
statement about the car's velocity and speed is accurate?
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The car's speed is constant, but the velocity is changing.
Which of the following objects is considered to be in free fall?
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A hammer that is tossed upward by an astronaut on the moon (where there
is no atmosphere)
As a boxer hits the bag, the bag hits back at the boxer. Which force happens first?
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They act at the same time.
When you drop a ball, what is true about its motion?
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It falls and increases in speed at a rate of 9.8 m/s every second.
In its first second of free fall, a dropped softball will fall a vertical distance of ______.
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, 5m
Acceleration
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The rate of change in velocity.
A car is traveling down the road, and for every second it travels, the car covers less
distance. This means that __________.
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the car is slowing down
For a projectile launched horizontally, the magnitude of the vertical acceleration
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is 9.8 m/s^2
To define the position of an object in a plane, you need to measure __________.
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Altitude
A car is driving at a steady 15 m/s around a circular track on level ground. Which
statement about the car's velocity and speed is accurate?
,Give this one a try later!
The car's speed is constant, but the velocity is changing.
Which of the following objects is considered to be in free fall?
Give this one a try later!
A hammer that is tossed upward by an astronaut on the moon (where there
is no atmosphere)
As a boxer hits the bag, the bag hits back at the boxer. Which force happens first?
Give this one a try later!
They act at the same time.
When you drop a ball, what is true about its motion?
Give this one a try later!
It falls and increases in speed at a rate of 9.8 m/s every second.
In its first second of free fall, a dropped softball will fall a vertical distance of ______.
Give this one a try later!
, 5m
Acceleration
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The rate of change in velocity.
A car is traveling down the road, and for every second it travels, the car covers less
distance. This means that __________.
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the car is slowing down
For a projectile launched horizontally, the magnitude of the vertical acceleration
Give this one a try later!
is 9.8 m/s^2
To define the position of an object in a plane, you need to measure __________.
Give this one a try later!
