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2 years ago

15

I NEED THIS ASAP!!! 20 points!

1 answer:

suter [353]2 years ago

7 0

Gravitational potential energy=mass*gravitational acceleration*heightKinetic energy = 0.5*mass*velocity²Thus:K.E0.5*1*x²=12.5x²=12.5/(0.5*1)x=√12.5/(0.5*1)x=5
GPEmass*gravitational acceleration*height1*9.81*h=98h=98/(9.81*1)h= 9.98 J approximately, rounded 10meters

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Answer:

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Explanation:

Given that,

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2 years ago

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2 years ago

Find deacceleration An engineer in a locomotive sees a car stuck on the track at a railroad crossing in front of the train. When

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Answer:

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Explanation:

From the question we are told that

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The reaction time of the engineer is $t = 0.53 \ s$

Generally the distance covered during the reaction time is

$d_r = u * t$

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$D = d- d_r$

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2 years ago