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const2013 [10]
3 years ago
12

Many people confuse the terms energy, work, and power. Explain how they are alike and how they are different

Physics
1 answer:
nikitadnepr [17]3 years ago
3 0
Work, is the speed at which energy transfers.
Energy, is the capacity to do work.
Power, is the rate at which work is done.
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A circle has a radius of 10 inches. Find the approximate length of the arc intersected by a central angle of mc001-1. Jpg 6. 67
Andrei [34K]

The approximate length of the arc intersected by the central angle is 20.94 inches.

The given parameters:

  • <em>Radius of the circle, r = 10 inches</em>
  • <em>Central angle, </em>\theta = \frac{2\pi }{3} \ rad<em />

<em />

The approximate length of the arc intersected by the central angle is calculated as follows;

S = rθ

where;

  • <em>S is the length of the arc</em>

Substitute the given parameters and solve for the length of the arc

S = 10 \ in \times \frac{2\pi }{3} \\\\S = 20.94 \ inches

Thus, the approximate length of the arc intersected by the central angle is 20.94 inches.

<em>Your question is not complete, find the complete question below:</em>

A circle has a radius of 10 inches. Find the approximate length of the arc intersected by a central angle of \frac{2\pi}{3}.

Learn more about length of arc here: brainly.com/question/2005046

5 0
3 years ago
What is a load force
vladimir2022 [97]

Answer:

A push or pull exerted on an object

8 0
4 years ago
A car travels with a constant velocity of 45km/hr for 20 sec. What distance does it cover
Flauer [41]

Explanation:

This is simple.

Convert the speed of 45km/h to metres per second (m/s):

45 * 1000m = 45000m per hour.

1 hour = 60 seconds * 60 minutes = 3600 seconds.

45000m/h / 3600 = 12.5m/s

(A quicker way is just to divide by 3.6)

So in 20 seconds it would cover:

12.5m/s * 20s = 250m.

A car travelling at 45km/h would travel 250 metres in 20s.

6 0
2 years ago
Read 2 more answers
Calculate the period (T) of uniform circular motion if the velocity is 40.0 m/s and centripetal acceleration is 20.0 m/s2.
kirill [66]
T is the time for a whole round.

centripetal acceleration = V^2/R,

20 = 40^2 / R, find R = 40^2/20 = 40*40/20 = 80 m, right?

Now, one round is L = 2*pi*R = 2*pi*80 = 160*pi

And T = L/v (distance/speed) = 160*pi/40 = 4*pi seconds, or ~ 12.57 s
3 0
4 years ago
1.33 m^3 of fluid flows out of a pipe in 24.5 s. the fluid leaves the pipe at 3.55 m/s. what is the area of the pipe. (unit=m^2)
Margaret [11]

Answer:

0.015meter^{2}

Explanation:

Total volume of water coming out = 1.33meter^{3}

Also volume = Cross sectional area*Length covered

Length covered = Velocity *time

                           =24.5*3.55

                           =86.97 meter

Let the cross sectional area be A.

1.33 = 86.97*A

A =0.015meter^{2}

3 0
4 years ago
Read 2 more answers
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