3 years ago

Which of these would be a part of a force diagram for

Physics

2 answers:

Ilia_Sergeevich [38]3 years ago

8 0

Answer:

They are: A, B, and E

For Edge.

Strike441 [17]3 years ago

6 0

Answer:

A dot that represents the box

A vector labeled Fg pointing straight down

A vector labeled Fs, pointing parallel to and up the ramp

Explanation:

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At the local swimming hole, a favorite trick is to run horizontally off a cliff that is 8.0 m above the water. One diver runs of

Alika [10]

Answer:

Number of revolutions=1.532 revolutions

Explanation:

Given data

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Angular speed a=1.2 rev/s

To find

Number of revolutions

Solution

From the equation of simple motion we not that

$S=ut+1/2gt^{2}\\ where\\u=0\\So\\8.0m=0+(1/2)(9.8m/s^{2} )t^{2}\\ t^{2}=\frac{8.0m}{0.5*9.8m/s^{2} } \\ t^{2}=1.63\\t=\sqrt{1.63} \\t=1.28s$

So for the number of revolutions she makes is given as

$n=a*t\\n=(1.2rev/s)(1.28s)\\n=1.532revolutions$

8 0

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