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natita [175]
3 years ago
7

If a cat can exert 2000N Of Force to move a trailer 50m is 20 seconds how much power did the car use ?

Physics
1 answer:
inessss [21]3 years ago
8 0

им putins брат, почему вы обманываете нашу систему образования, Это теперь запрещено в России.

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Your friend's car is stuck in the snow. You push very hard and become very 1 tired but the car won't move. Did you do work?
crimeas [40]

Answer:

Yes you  worked

Explanation:

You may have not seen a good outcome but you did put effort in.

7 0
3 years ago
The atom of an element x has 21protrons and 23neutrons. What is the
Reil [10]
A. 21 electrons
B. 44
C. 23 neutrons
4 0
3 years ago
What is the magnetic field at the center of a circular loop
Elan Coil [88]

Answer:

The magnetic field at the center of a circular loop is 3.14\times10^{-5}\ T.

Explanation:

Given that,

Radius = 4.0 cm

Current = 2.0 A

We need to calculate the magnetic field at the center of a circular loop

Using formula of magnetic field

B = \dfrac{I\mu_{0}}{2r}

Where, I = current

r = radius

Put the value into the formula

B =\dfrac{2.0\times4\pi\times10^{-7}}{2\times4.0\times10^{-2}}

B =0.00003141\ T

B=3.14\times10^{-5}\ T

Hence, The magnetic field at the center of a circular loop is 3.14\times10^{-5}\ T.

7 0
3 years ago
The fundamental frequency of a musical note is 330Hz. Which harmonic is this?
allsm [11]

Answer:

it is a type of even harmonic

6 0
3 years ago
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
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