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zavuch27 [327]
3 years ago
9

Eric drops a 2.20 kg water balloon that falls a distance of 45.08 m off the top of a

Physics
1 answer:
Marianna [84]3 years ago
4 0

Answer:

972 J

Explanation:

At the bottom, all the gravitational potential energy was converted into kinetic energy. If you calculate the GPE, its value will be the same that the KE at the bottom. The GPE can be calculated this way:

GPE = mass×gravity×heigth

GPE = 2.2×9.8×45.08 ≈ 972

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Can water and wind change the shape of a mountain
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Answer:

Yes, through erosion.

Explanation:

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Mark me brainliest, hope this helps

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3 years ago
Fertility is
Helga [31]
Fertility is the biological capacity to bear children. 

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4 0
3 years ago
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A weightlifter must exert 25 Newtons of force to
kakasveta [241]

Work=Force \: × \: displacement \\ => W=Fs \\  \\ Given, \\ Force=25 \: N \\ Displacement=2m \\  \\ so \: work = 25 \: N \:  \times 2m \\  =  > work = 25kgm {s}^{ - 2} \times 2m \\  =  > work = 50kg {m}^{2} {s}^{ - 2}  \\  =  > work = 50J

This is the answer.

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6 0
3 years ago
Where will the strongest force be excerted by the scissor blades to cut through a piece of material? Explain your answer.
asambeis [7]

Answer:

in the thick part of the scissors ✂️

Explanation:

because in physics simple machine called wedge the force applied in this thick area it have thine side used to split or piece objects

8 0
2 years ago
A lens has a focal length of 0.1 m .Find the image distance when the object distance is
Black_prince [1.1K]

Answer:

A) 0.125 m  (the image is real)

B) -0.4 m (the image is virtual)

Explanation:

For both situations we will use the <u>Lens Equation</u>:

\frac{1}{f}=\frac{1}{v}+\frac{1}{u} (1)

Where:

f=0.1 m is the focal length

u is the distance between the object and the lens

v is the distance between the image and the lens

Isolating v:

v=\frac{uf}{u-f}} (2)

Knowing this, let's begin with the answers:

A) When u=0.5 m

v=\frac{(0.5 m)(0.1 m)}{0.5 m-0.1 m}}

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B) When u=0.08 m

v=\frac{(0.08 m)(0.1 m)}{0.08 m-0.1 m}}

v=-0.4 m The negative sign indicates the image is virtual

6 0
3 years ago
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