Physics 3.3 Practice

A construction worker accidentally drops a brick from a high scaffold. What is the velocity of the brick after 4.0 s? Let upward be the positive direction.

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NGSS.HS-PS2-1

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A construction worker accidentally drops a brick from a high scaffold. How far does the brick fall during this time? Let up be positive.

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NGSS.HS-PS2-1

NGSS.HS-PS2-4

A student drops a ball from a window 3.5 m above the sidewalk. How fast(speed) is it moving when it hits the sidewalk?

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NGSS.HS-PS2-4

A tennis ball is thrown straight up with an initial speed of 22.5 m/s. It is caught at the same distance above the ground. How high does the ball rise?

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NGSS.HS-PS3-1

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A tennis ball is thrown straight up with an initial speed of 22.5 m/s. It is caught at the same distance above the ground. How long does the ball remain in the air?

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NGSS.HS-PS2-1

NGSS.HS-PS3-2

You decide to flip a coin to determine whether to do your physics or English homework first. The coin is flipped straight up. What are the velocity and acceleration of the coin at the top of its trajectory?

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NGSS.HS-PS2-4

You decide to flip a coin to determine whether to do your physics or English homework first. The coin is flipped straight up. If the coin reaches a high point of 0.25 m above where you released it, what was its initial speed?

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NGSS.HS-PS2-1

You decide to flip a coin to determine whether to do your physics or English homework first. The coin is flipped straight up and reaches a high point of 0.25 m. If you catch it at the same height as you released it, how much time was it in the air?

Why is the falling book a good example of free fall, but the paper is not?

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NGSS.HS-PS2-1

What is the velocity of the keys when you catch them if your sister drops your house keys down to you from the second-floor window? Let upward be the positive direction.

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NGSS.HS-PS2-1

NGSS.HS-PS2-4