For every action there is a (n) ________ and opposite reaction, and is the basis for what law?
equal / Newton's third law
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15
How many seconds in one week?
604800
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thief
Give points!
5
10
15
20
25
magnet
Take 10 points!
Okay!
rocket
Go to first place!
Okay!
banana
Go to last place!
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15
A speeding truck makes contact with a bug on its windshield. Compare the force that the bug exerts on the truck to the force the truck exerts on the bug.
Forces are the same for both
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15
A skydiver reaches an instantaneous velocity of 88.2 meters per second before opening his parachute. How long was he in free fall?
9 seconds
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15
A word meaning âsizeâoften used to describe scalar quantities is:
magnitude
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15
If you know the distance traveled and the amount of time it took, speed may be calculated by:
dividing distance by time
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15
Which has more Inertia 10 kg object or a 50 kg object?
50
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15
How far does a freely falling object fall for 12 seconds?
720 meters.
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15
The expression mgh represents _________________________ energy.
Potential
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15
Convert 150 cm to meters
1.5 meters
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boom
Lose 50 points!
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rocket
Go to first place!
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rocket
Go to first place!
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banana
Go to last place!
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15
Calculate the power required to move a 2,000-kilogram automobile to the top of a 100-meter hill in 15.0 seconds. Express the power both in units of watts and horsepower.
133333.33 Watts
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15
A measured quantity that is described by stating a size and a direction is called a: