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Taya2010 [7]
2 years ago
7

A beam is pivoted at one end, as shown.

Physics
1 answer:
lara31 [8.8K]2 years ago
7 0
The answer is C upwards at 20cm
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on the surface of theearth ,the weight of a boy is 400N but on a mountainpeak his weight is 360N,Calculatethe value of ''g' on t
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The value of g at sea level is 9.81 ms^-2.

The boy's mass is constant wherever he is in the universe but his weight will depend on the strength gravity where he is.

By proportion its value on the mountain peak  is (360 /400) * 9.81

= 0.9 * 9.81 = 8.83  ms^-2  to nearest hundredth,  (answer).

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Whats the term for climate near equator
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The closer to the equator, the hotter the climate will be.
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What is the Difference between accuracy and precision ?<br>​
Pie

Answer:

Accuracy measures how close results are to the true or known value. Precision, on the other hand, measures how close results are to one another.

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Which is a characteristic of all ions? They are made of one type of atom. They have one overall charge. They are made of two or
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They are made of one type of atom.

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A penny is placed on a rotating turntable. where on the turntable does the penny require the largest centripetal force to remain
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m = mass of the penny

r = distance of the penny from the center of the turntable or axis of rotation

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centripetal force "F" experienced by the penny of "m" at distance "r" from axis of rotation is given as

F = m r w²

in the above equation , mass of penny "m"  and angular speed "w" of the turntable is same at all places. hence the centripetal force directly depends on the radius .

hence greater the distance from center , greater will be the centripetal force to remain in place.  

So at the edge of the turntable , the penny experiences largest centripetal force to remain in place.

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