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Airida [17]
3 years ago
15

- The Grayprational Forcewith which the earth aractsа,​

Physics
1 answer:
Fudgin [204]3 years ago
5 0

Answer:

gravitational?

Explanation:

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If the car’s speed decreases at a constant rate from 64 mi/h to 30 mi/h in 3.0 s, what is the magnitude of its acceleration, ass
mixas84 [53]

Answer:3.874 m/s^2

Explanation:

Given

Car speed decreases at a constant rate from 64 mi/h to 30 mi/h

in 3 sec

60mi/h \approx 26.8224m/s

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we know acceleration is given by =\frac{velocity}{Time}

a=\frac{15.1994-26.8224}{3}

a=-3.874 m/s^2

negative indicates that it is stopping the car

Distance traveled

v^2-u^2=2as

\left ( 15.1994\right )^2-\left ( 26.8224\right )^2=2\left ( -3.874\right )s

s=\frac{488.419}{2\times 3.874}

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julsineya [31]
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olga55 [171]

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Explanation:

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A runner covers 40 m in 4.55 seconds ,what is their average velocity?
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Velocity = displacement/time



I hope i helped you <33

3 0
3 years ago
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