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Physics

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Arianna Blick

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Cards in this guide (11)
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?

An arrow is shot straight up at an initial velocity of 200 meters per seconds. How long will it be before beginning to fall

20.40

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

A ball is thrown horizontally from a cliff at a speed of 15 ms and strikes the ground 45 meters from the base of the cliff How high was the cliff rounded to the nearest meter

Answer: 44 meters

What does the amount of force times the time applied equal

impulse

There are two spheres 12 meters apart One sphere has a mass of 85 kg and the other has a mass of 65 kg

2.6x10^-9 N

In what type of orbits do planets move around the sun

elliptical

A pulley system is used to lift a 2000 newton engine up a distance of 3 meters The operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor To lift the engine fi

250 newtons

A+ Answers

A player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 ms

Yes your question is.......................

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