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Semenov [28]
3 years ago
14

g Power is _________________the force required to push something the work done by a system the speed of an object the rate that

the energy of a system is transformed the energy of a system
Physics
1 answer:
Levart [38]3 years ago
4 0

Answer:

the rate that the energy of a system is transformed

Explanation:

We can define energy as the capacity or ability to do work. Power is defined as the rate of doing work or the rate at which energy is transformed. It can also be regarded as the time rate of energy transfer. In older physics literature, power is sometimes referred to as activity.

Power is given by energy/time. Its unit is watt which is defined as joule per second. Another popular unit of power is horsepower. 1 horsepower = 746 watts.

Very large magnitude of power is measured in killowats and megawatts.

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The floor of the basement of a house is 3.0 m below ground level, and the floor of the attic is 5.0 m above ground level. What i
abruzzese [7]

:

change in potential energy , ∆Ep = 156.8Joules

Explanation:

Given;

Mass of object , m = 2.0 kg

Heights ; h₂ = 5.0m

h₁ = - 3.0m

To obtain

the change in potential energy, ∆Ep = ?

But,

∆Ep = mg∆h

Where;

m is the mass of the object (kg)

∆h = h₂ - h₁ is the change in height (m)

g is the acceleration due to gravity ( 9.80 m/s²)

Therefore,

the change in potential energy, ∆Ep = 2.0 × 9.80 × ( 5 - (- 3))

=156.8 joules

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3 years ago
A characteristic controlled by one or more genes is called a what
Rama09 [41]
I believe the answer would be polygenic. The word translates to "multiple genes". This occurs when many genes make up one specific thing such as our hair color or eye color.
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4 years ago
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Tanzania [10]

Answer:

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3 years ago
Which fundamental force causes some forms of radioactivity? A. Gravity B. Electromagnetic force C. Strong nuclear force D. Weak
I am Lyosha [343]

Hello.

The answer is: D. weak nuclear force.

The weak force causes beta decay, a form of radioactivity. It could not be explained by the strong nuclear force, the force that’s responsible for holding the atomic nucleus together, because this force doesn’t affect electrons.

It couldn’t be the electromagnetic force, because this does not affect neutrons, and the force of gravity is far too weak to be responsible.

Have a nice day

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What force pulls the moon towards the earth?
yawa3891 [41]
Gravity pulls the moon towards the earth.
3 0
3 years ago
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