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Rus_ich [418]
2 years ago
9

If Chris throws the baseball 60 meters forward in 4.2 sec, what is the velocity of the ball? I need answer immediately

Physics
1 answer:
vazorg [7]2 years ago
5 0

Answer:

14.3 m/s

Explanation:

velocity equation

v= d/t

v= 60/4.2

v=14.28

round it to 1 decimal place

v= 14.3m/s

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What is the force of gravity (from the Earth) on the 700kg satellite if it’s 10km above the Earths surface?
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Answer:

The force of gravity on a 700 kg satellite if its 10 km above Earth's surface is given by

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Explanation:

The force of gravity on a 700 kg satellite if its 10 km above Earth's surface is given by

    = {\frac{(6.674\times 10^{-11}N. m^2/kg^2)(5.97\times 10^{24}kg) }{(10\times10^3)^2} = 3984378 m / s^{2}

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3 years ago
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loris [4]

Answer:

-20N

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The racquet ball will bounce back with the same force.

This is in compliance with newton's third law of motion:

  "action and reaction are equal but opposite"

If the ball hits the wall with an action force of 20N, the reaction force will be -20N.

The negative indicates an oppositely directed force.

8 0
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If you drop a rock with a density of 1.73 grams will it float or sink
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zepelin [54]

Answer:

True

Explanation:

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