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☆☆☆☆☆Cards in this guide (12)
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 rock falls off a bridge and hits the water 8 seconds later How high is the bridge
A+ the answer is 313.6
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
An arrow is shot straight up at an initial velocity of 250 ms How long will it take the arrow to hit the ground
51 seconds
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
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
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 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.
A passenger train pulled away from the station and accelerated at a rate of 1 ms for 1 minute how many meters had it traveled by the end of this minute
1800 meters
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