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Ostrovityanka [42]
2 years ago
12

As the mass of an object in uniform circular motion increases, what happens to the centripetal force required to keep it moving

at the same speed?
Physics
1 answer:
Dmitriy789 [7]2 years ago
7 0

Answer:

It increases, because the centripetal force is directly proportional to the mass of the rotating body.

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In which situation is work not being done?
almond37 [142]

AS

work done =W = F.d = F d cosФ     (Ф is angle between force F and displacement d) If a body/object is moving on a smooth surface (friction-less surface ) .There is no force acting on that body.  F=0 so W=FdcosФ= (0)dcosФ ⇒ W=0

Now if a body is facing some amount of force but under the action of force there is no displacement covered. d=0 so W =FdcosФ= F(0)cosФ ⇒W=0

example:  A person is applying a force on rigid wall but wall remains at rest there is no displacement occurs in wall.

The third term upon which work done  dependent is angle between force and displacement i.e Ф. If Ф=90° then W= FdcosФ= Fdcos90⇒ W=0   ( as cos 90°=0)

5 0
2 years ago
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AveGali [126]

Correct answer choice is:

C. Polarized in a vertical plane.

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This is because when you angle one polarized lens to different perpendicularly, they prevent glare both horizontally and vertically. The polarized lenses are enduringly tinted sunglasses that exceedingly decrease glare.

7 0
3 years ago
Select all the correct answers.
myrzilka [38]

<em>Anything</em> that's dropped through air is somewhat affected by air resistance.  But, out of that list, the leaf and the balloon are the items that will be affected by air resistance enough so that you can plainly see it.

If you spend some time thinking about it, you can kind of understand why airplane wings and boat propellers are shaped more like leafs and balloons than like bricks and rocks.

3 0
3 years ago
The electromagnetic spectrum consists of various ranges of electromagnetic waves. Between which of the following does the visibl
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The answer is D, it falls between the infrared and ultraviolet.
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The number of times a standard quantity is present in the given physical quantity is called magnitude of a physical quantity
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