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Sonbull [250]
4 years ago
6

We know we have exerted of force even when we have done no work this is called _____

Physics
1 answer:
zheka24 [161]4 years ago
5 0

Answer: The correct answer is zero work done.

Explanation:

Work is said to be done when the object moves through a distance when the force is applied to the object.

If the object does not move a distance even the force is exerted on the object then the work done is zero in this case.

Therefore, when the force is exerted even when no work is done then this is called zero work done.

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Kinetic vs potential energy
antiseptic1488 [7]

Answer:

Kinetic energy is the energy obtained from movement while potential energy is the energy in something when it is at a height or has been manipulated in some way; it has work done to it.

Explanation:

Kinetic energy is, like I said, energy gained through movement or action. When an object stops moving, it converts into a different type of energy. Energy cannot be destroyed or created. An object with potential energy has a reference. A reference determines how high it is. The higher and heavier an object is, the more potential energy it has.

Hope this helps!

5 0
3 years ago
A cyclist is travelling eastwards at a velocity of 40 ms and rain is falling vertically at a speed of 10 ms. Find the velocity o
Genrish500 [490]

41.23

v(B,E)=40 GOING EAST

V(R,E)=10 COMING DOWN

then 41.23

6 0
3 years ago
Who was the first head of the NASA space program was Sergei Korolov, but the Russians never identified him by name. What did the
larisa86 [58]

Korolev's name became known in the West. I hope this helps.

6 0
4 years ago
When you hear an ambulance siren, it alternates between high and low tones, depending on the frequency of sound waves. this is c
dangina [55]
<span>Frequency of a sound wave is called the pitch. Higher frequencies have a higher pitch and lower frequencies have the opposite. When an ambulance travels by a listener, the frequencies are oscillating rapidly and causing the shrill, loud sounds that emanate from the sirens.</span>
6 0
4 years ago
A dryer runs on 240 V with a resistance of 30.0 Ω. What is the current of the dryer
Finger [1]

Answer:

c

Explanation:

boom

4 0
3 years ago
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