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otez555 [7]
3 years ago
10

Which of the following causes current to flow in a wire?

Physics
2 answers:
Orlov [11]3 years ago
8 0
A. Electric circuit
SVEN [57.7K]3 years ago
7 0
The answer should be B
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A 60 kg box is lifted by a rope a distance of 10 meters straight up at constant speed. how much power is required to complete th
Nadya [2.5K]
Power=Work/Time
The work done is the energy required to lift the box, fighting the force of gravity. So, Work=Potential energy of the box at 10 meters.

W=PE=mgh=(60)(9.8)(10)=5880J
Finally,
P=W/T=(5880)/(5)=1176Watt

So the answer is 1176 Watts
3 0
3 years ago
Read 2 more answers
what should be done in order to increase the gravitational force between two objects? Decrease the mass of both of the objects.
sesenic [268]

Answer:

Decrease the distance between the two objects.

Explanation:

The force (F) of attraction between two masses (M₁ and M₂) separated by a distance (r) is given by:

F = GM₁M₂ / r²

NOTE: G is the gravitational force constant.

From the equation:

F = GM₁M₂ / r²

We can say that the force is directly proportional to the masses of the object and inversely proportional to the square of the distance between them. This implies that an increase in any of the masses will increase the force of attraction and likewise, a decrease in any of the masses will lead to a decrease in the force of attraction.

Also, an increase in the distance between the masses will result in a decrease in the force of attraction and a decrease in the distance between the masses, will result in an increase in the force of attraction.

Considering the question given above,

To increase the gravitational force between the two objects, we must decrease the distance between the two objects as explained above.

8 0
3 years ago
____ enforced regulations primarily aim to reduce environmental pesticide contamination
Ket [755]

Environmental Protection Agency enforced regulations primarily aim to reduce environmental pesticide contamination.

<h3>What is a Pesticide?</h3>

This refers to a chemical which is used to control pests and examples include insecticide, nematicide etc.

Environmental Protection Agency is government owned and ensures strict enforcement of regulations to reduce environmental pesticide contamination which could lead to death of beneficial organisms.

Read more about Environmental Protection Agency here brainly.com/question/23486143

#SPJ1

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1 year ago
Why is the H-R diagram useful in plotting the life cycles of stars?
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The sun provides a handy benchmark for describing other stars. The mass of this solar system's sun gives us a unit for measuring other stars' masses.
4 0
4 years ago
A car traveling east at 92 km/h is passed by a truck moving at 105 km/h. From the point of view of the truck l, how fast is the
vodomira [7]
13km/h all you gotta do is subtract
7 0
3 years ago
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