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ipn [44]
3 years ago
14

A child at the top of a slide has a gravatational store of 1800j what is the childs maximum kinetic store as he slides down expl

ain your answer
Physics
1 answer:
Mrac [35]3 years ago
7 0

Answer:

1800 J

Explanation:

Energy is conserved, so the maximum kinetic energy equals the change in gravitational energy.

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If a bird flies from its nest to the ground and back are the distance and displacment the sam
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No. They are different. The bird's distance for that period of time is double the height of the nest above the ground. His displacement for the same time is zero ... the length between the start point and end point.
8 0
3 years ago
.A coin rolls off the edge of a table. The coin
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Answer:

Apply the following formulae horizontally And get A value for time

Remember horizontal acceleration is zero

s  = ut +  \frac{1}{2}a {t}^{2}   \\ 0.8 = 1.7 \times t \\  \frac{0.8}{1.7}  = t \\ t = 0.47s

and then to find the height apply the same above equation vertically...remember vertical initial velocity is zero

s = ut +  \frac{1}{2} a {t}^{2}  \\ s =  \frac{1}{2}  \times 10 \times (0.47) ^{2}  \\ s = 1.1045m

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2 years ago
A flying saucer lifts the Physical Science building 10,000 ft into the air before discovering it is useless and discards the rem
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Answer:

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Work done is given by

W=Fs\\\Rightarrow W=1000000\times 10000\\\Rightarrow W=10000000000\ lb-ft

Power is given by

P=\dfrac{W}{t}\\\Rightarrow P=\dfrac{10000000000}{20}\\\Rightarrow P=500000000\ lbft/s

One Saucer power is 500000000 lbft/s

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Why is it possible for a gas to take the shape of its container?
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I believe the answer is A

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