Physics Review (Forces and Movement) | Baamboozle - Baamboozle

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A golf ball accelerates off a tee at 15m/s2, changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?

3.3 seconds

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The mass of an astronaut is 70 kg on the Moon. What is the mass of the astronaut on the Earth?

70 kgs

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Dave runs 2000 m in 25 minutes. What is the speed?

80 m/m

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Change in speed or velocity over a specific amount of time. What is this?

Acceleration

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How do you calculate average speed?

total distance divided by total time

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A dog runs with an initial speed of 7.5 m/s on a waxed floor. It slides to a stop in 15 seconds. What is the acceleration?

-0.5 m/s^2

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A bus starts from rest and accelerates to 14 m/s in 4 s. What is the average acceleration of the bus?

3.5m/s^2

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What is the resultant force?

0 N

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TRUE OR FALSE: To represent a force, you can use either the point of application (where the force acts), scalar value, and the direction.

TRUE.

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boom

Lose 50 points!

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star

Double points!

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gift

Win 25 points!

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banana

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A spring has a spring constant of 5 N/cm. What is its extension when loaded with 15 N?

3 cm

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boom

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fairy

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rocket

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lifesaver

Give 15 points!

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What is the resultant force?

None

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A spring has a natural length of 4 cm and when masses are added, its new length is 18 cm. What is the extension?

14 cm

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The unit of force is...

N (Newton)

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monster

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rocket

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fairy

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lifesaver

Give 25 points!

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