2 years ago

Please help ASAP!!

1 answer:

6 0

There is kinetic energy when it is sitting at the top, then as it goes towards the bottom, the kinetic energy is transformed into potential energy.

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Newtons Law of motion

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2 years ago

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The magnification of a microscope is increased when_________.

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Answer:

Option B

Explanation:

Magnification of Microscope is

$M = M_o \times M_e$

Mo= Magnification of objective lens and

Me= magnification of the eyepiece.

Both magnifications( of objective and eyepiece) are inversely proportional to the focal length.

Magnification,

$M \propto \dfrac{1}{f}$

when the focal length is less magnification will be high and when the magnification is the low focal length of the microscope will be more.

Thus. Magnification will increase by decreasing the focal length.

The correct answer is Option B

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3 years ago

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Answer:

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Explanation:

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ohaa [14]

A window is the most transparent object from these, so that is the answer.

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3 years ago

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Dana is on a train traveling at a speed of 20 km/h. Dana walks from the front of the train to the back of the train at a speed o

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Answer:

16km/h

Explanation:

Vt=20km/h ---train speed

Vd=4km/h

Donas speed relative to ground is:

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Vrd=20km/h-4km/h

Vrd=16km/h

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3 years ago