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3 years ago

8

What causes the electric charges to flow from one end of the battery to the other?

2 answers:

Greeley [361]3 years ago

7 0

The answer is difference in eletric potential. If there are 2 groups of electric potential and they are connected, the difference in potential we cause particles with charge to flow until the potential is equal. Resistance only determines rate of flow but doesnt initialy cause the flow.

Ivanshal [37]3 years ago

3 0

Answer:

c. a difference in electric potential

Explanation:

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3 years ago

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3 years ago

A hill is 132 m long and makes an angle of 12.0 degrees with the horizontal. As a 54 kg jogger runs up the hill, how much work d

TEA [102]

Answer:

14523.55J

Explanation:

The work done by the jogger against gravity is given by the following equation;

$W=mgh.................(1)$

where m is the mass, g is acceleration due to gravity taken as $9.8m/s^2$ and h is the height of the hill.

Since the length of the hill is 132m and it is inclined at 12 degrees to the horizontal, the height is thus given as follows;

$h=132sin12^o\\h=27.44m$

Substituting this into equation (1) with all other necessary parameters, we obtain the following;

$W=54*9.8*27.44\\W=14523.55J$

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3 years ago

17. Which of the following is the closest weight in newtons of a 7.0-kilogram

marusya05 [52]

Weight = (mass) x (gravity)

Weight = (7.0 kg) x (gravity)

On Earth, where (gravity) is roughly 10 N/kg . . .

Weight = (7.0 kg) x (roughly 10 N/kg)

Weight = roughly 70 Newtons

That's <em>B </em>on Earth.

It would be some other number on other bodies.

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3 years ago

An object was thrown at a certain angle above the ground.It reaches a maximum height of 42.50 meters and hits back the ground 76

aksik [14]

Answer:

Explanation: Please see my attached calculations.

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3 years ago