Physics Fall Semester Review | Baamboozle - Baamboozle

What is Newton's 2nd Law?

F = ma

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T/F: When a model rocket is launched into the air and then falls back down to Earth the acceleration is changing?

False; the acceleration is gravity (-9.8 m/s/s) the entire time

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The fastest speed skater in the world can accelerate from rest to 25 m/s in 15 seconds. What is the distance traveled during this time?

187.5 m

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T/F: An object's acceleration is ALWAYS in the same direction as the net force.

True

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T/F: If an object has a velocity of -3 m/s it must be slowing down.

False; -3 tells us the object is moving in the negative direction (left) we know nothing about whether it is speeding up or slowing down bc we do not know a

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What must be true about acceleration and velocity if an object is speeding up?

acceleration and velocity must be in the same direction

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Which is greater static friction or kinetic friction?

static friction

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What does the slope of a velocity v. time graph tell you?

acceleration

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How do you calculate the weight of an object?

weight = gravitational force = mg = m x -9.8

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What is the acceleration in all free fall (vertical kinematics) problems?

gravity (-9.8 m/s/s)

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lifesaver

Give 25 points!

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seesaw

Swap points!

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shark

Other team loses 10 points!

Okay!

baam

Lose 10 points!

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banana

Go to last place!

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rocket

Go to first place!

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rocket

Go to first place!

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baam

Lose 25 points!

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The acceleration of an object directly relates with the ____ of the object.

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seesaw

Swap points!

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magnet

Take 25 points!

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fairy

Take points!

baam

Lose 25 points!

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What does the slope of a displacement (position) v. time graph tell you?

velocity

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How do you decide which kinematic equation to use?

use the equation that does not include the variable for which you have no information

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