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Physics

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Rosamond Weber

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2y ago
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Cards in this guide (8)
What is the length of the High Coast Bridge above water

A rock falls off a bridge and hits the water 8 seconds later. How high is the bridge? A rock falls off a bridge and hits the water 8 seconds later. How high is the bridge?

A rock is dropped from a cliff and hits the ground 6.0 seconds later How high is the cliff

176.4 meters

A hammer is dropped off a roof of an apartment building that is 80 meters high How long will it take to hit the ground

The hammer will take square-root(2x80/9.8)= 4.04 seconds to hit the ground.

The distance is related to the time by s=v0t + 1/2 gt^2 where vo, the initial velocity is=0.

The answer is 4.04 or rounded is 4 seconds.

A baseball is hit straight up at an initial velocity of 150MS. what will be the baseballs speed when it hits the ground

20.40

How does a surplus or a shortage of a good or service affect the market price

A surplus or a shortage of a good or service affects the market price directly. When there is a surplus, the prices goes down and when there is a shortage the price increases due to the demand levels.

Use profit incentive in a sentence

They proposed their employee a profit incentive plan so that he would stay in the company.

During a baseball game the batter hits a high pop up directly over home plate If the ball stays in the air six seconds how high did the ball go

176.4 meters

A rifle is shot straight up and the bullet leaves the barrel at a speed of 245 m s How long will it take the bullet to hit the ground

50 sec.

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