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Bond [772]
3 years ago
8

If a person is planning to take a mixture of milk, cream and sugar and make it into ice cream do you expect the person to add or

remove heat energy
Physics
1 answer:
RideAnS [48]3 years ago
6 0
Remove (as he is going to put this mix into freezer)
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A ball is dropped off a cliff and falls for 24 seconds. How far did the ball fall from the top down
DerKrebs [107]

Answer:

9266 feet

Explanation:

with Earth's gravity and long it fell that's as good as it gets if there was no other factors like wind mass weight but your welcome

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2 years ago
A ball is dropped from a cliff. determine how far the ball fell after 7.5 seconds
grin007 [14]

Answer:

The ball fell 275.625 meters after 7.5 seconds

Explanation:

<u>Free fall </u>

If an object is left on free air (no friction), it describes an accelerated motion in the vertical direction, powered exclusively by the acceleration of gravity. The formulas needed to compute the different magnitudes involved are

V_f=gt

\displaystyle y=\frac{gt^2}{2}

Where V_f is the final speed of the object in free fall, assumed positive downwards, t is the time elapsed since the release and y is the vertical distance traveled by the object

The ball was dropped from a cliff. We need to calculate the vertical distance the ball went down in t=7.5 seconds. We'll use the formula

\displaystyle y=\frac{gt^2}{2}

\displaystyle y=\frac{(9.8)(7.5)^2}{2}

Y=275.625\ m

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How do physicists distinguish one type of electromagnetic wave from another?
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