2 years ago

Which material reflects the most light transparent, translucent, or opaque?

1 answer:

6 0

There's no rule like that. A glass mirror is opaque but reflects
more light than a clean transparent glass window does.

On the other hand, a material that's transparent but shiny may
reflect more light than an opaque material that's painted black.

You can't give any general rule.

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A force of 7 N acts on an object. The displacement is, say 8 m, in the direction of the force. Let us take it that the force act

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Answer:

cos 0 = 1.

Fs = 7×8 = 56 J

Explanation:

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3 years ago

A student performs an activity to study how electric current flows in a circuit. The student constructs two different circuits,

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A skateboarder with a mass of 67.0 kilograms (including the skateboard) rolls down from the top of a ramp, reaching a velocity o

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The potential energy of the skateboarder at the top of the ramp is

489.1 J.

<h3>Is kinetic energy always equal to potential energy?</h3>

The amount of kinetic energy change and the amount of potential energy change are equal in all physical processes that take place in closed systems. When the kinetic energy rises, the potential energy falls, and vice versa.

Potential energy is the stored energy in any object or system as a result of its position or component arrangement. However, external factors like air or height have no effect on it. The energy of a moving object or system is referred to as kinetic energy.

Potential energy = kinetic energy

Potential energy = 1/2mv²

Potential energy = 1/2 × 67×7.3

Potential energy = 489.1 J.

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1 year ago

Two hikers are 15 miles apart and walking toward each other. They meet in 2 hours. Find the rate of each hiker if one hiker walk

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Answer:

1- 2.6 mph

2- 4.9 mph

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3 years ago

What is the slope of the line plotted below?<br> A. 1.33<br> B. -1.33<br> C. -0.6<br> D. 0.6

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C. -0.6

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3 years ago