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777dan777 [17]
3 years ago
12

SOMEONE HELP ME PLSS​

Physics
2 answers:
lara31 [8.8K]3 years ago
7 0
1. 2500/60 joules/sec
2. 2,500Nm
dsp733 years ago
4 0

Answer:

Explanation:

1 minute =60 second

power=work done/time taken

=2500/60

=41.66 watt

work=force *displacement

=500 N * 100 m

=50000 joule

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The way roughness of surfaces affects kinetic friction is called the __________ of kinetic friction?
boyakko [2]

Answer:

coefficient

Explanation:

5 0
2 years ago
Help please help me with all of it I don't know nothing. bless ur hearts <br>​
Evgesh-ka [11]

Answer:

200 , 0 , 133.33333

Explanation:

velocity = change of X / change of T

so

400/2 = 200

0/2 = 0

400/3 = 133.33333

3 0
3 years ago
One of the foci for the moon's orbit would be the
suter [353]
The question is oversimplified, and pretty sloppy.

Relative to the Earth . . .
The Moon is in an elliptical orbit around us, with a period of
27.32... days, and with the Earth at one focus of the ellipse.

Relative to the Sun . . .
The Moon is in an elliptical orbit around the Sun, with a period
of 365.24... days, and with the Sun at one focus of the ellipse,
and the Moon itself makes little dimples or squiggles in its orbit
on account of the gravitational influence of the nearby Earth.

I'm sorry if that seems complicated.  You know that motion is
always relative to something, and the solar system is not simple.
5 0
2 years ago
Read 2 more answers
describe the motion of a pendulum in terms of kinetic and potential energy when it goes from its highest point to lowest point,
MatroZZZ [7]
When it reaches it's peak, the energy is converted into potential as it slows down, then back to kinetic as it goes back to the lowest point.
4 0
3 years ago
The truck in which
sertanlavr [38]

Answer:

m = 4

Explanation:

We have,

You apply a force of  600 N to the branch  which acts as a lever. It means it is input force, IF = 600 N

The rear of the truck  weighs 2,400 N. It means it is output force, OF = 2400 N

The ratio of output force to the input force is equal to the mechanical advantage of the lever arm. It is given by :

m=\dfrac{2400}{600}\\\\m=4

So, the mechanical  gain of the lever arm is 4.

8 0
2 years ago
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