3 years ago

In your daily life you come across a range of motion in which acceleration is in the direction of motion

Physics

1 answer:

irakobra [83]3 years ago

3 0

That makes no sense to me somehow

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Why are not all<br>materials conductive<br>to electricity

Ilia_Sergeevich [38]

Answer:

In conductive materials, the outer electrons in each atom can easily come or go, and are called free electrons. In insulating materials, the outer electrons are not so free to move. All metals are electrically conductive.

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3 years ago

Sean applies a force of 100N to move a box 5 meters. How much work did he do?

Grace [21]

Answer:

500 Joules

Explanation:

W(work)= force * distance

w = 100*5

W= 500

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3 years ago

A car tire rotates with an average angular speed of 29 rad/s. In what time interval will the tire rotate 3.5 times?

meriva

Answer:

"0.758315 sec" is the appropriate choice.

Explanation:

The given values are:

Angular speed,

= 29 rad/s

or,

= $\frac{29}{2 \pi} \ rps$

Tire rotates,

= 3.5 times

Now,

The time interval will be:

⇒ $\Delta t=\frac{3.5}{\frac{29}{2 \pi} }$

⇒ $=\frac{2 \pi\times 3.5}{29}$

⇒ $=\frac{21.99}{29}$

⇒ $=0.758315 \ sec$

8 0

3 years ago

Answer fast , is si unit newton/meter square or pascal or both

Readme [11.4K]

Answer:

Both

Explanation:

The S.I. unit of pressure is newton/meter square or pascal as both represent the same dimensional value.

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2 years ago

A force of 100 newtons was necessary to lift a rock. a total of 150 joules of work was done. how far was the rock lifted

Makovka662 [10]

Answer:

1.5m

Explanation:

150÷100=1.5

Work done ÷force

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3 years ago