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HACTEHA [7]
3 years ago
10

Are the correct? PLEASE HELP ASAP

Physics
2 answers:
Trava [24]3 years ago
7 0

Energy is the ablity to dow work.

Power is the time rate at which work is done.

independent variable often along x axis, dependent along y axis.

You can set the independent value, from which the dependent follows.


Archy [21]3 years ago
6 0

Energy is the ablity to dow work.

Power is the time rate at which work is done.

independent variable often along x axis, dependent along y axis.

You can set the independent value, from which the dependent follows.


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A truck with 28-in.-diameter wheels is traveling at 50 mi/h. Find the angular speed of the wheels in rad/min, *hint convert mile
solong [7]

Answer:

Angular speed ω=3771.4 rad/min

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Given data

d=28in\\r=d/2=28/2=14in\\v=50mi/hr

To find

Angular speed ω

Revolution per minute N

Solution

First we need to convert the speed of truck to inches per mile

as

1 mile=63360 inches

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so

v=(50*\frac{63360}{60} )\\v=52800in/min

Now to solve for angular speed ω by substituting the speed v and radius r in below equation

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To solve for N(revolutions per minute) by substituting the angular speed ω in the following equation

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Hi!

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