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Elanso [62]
4 years ago
14

What is power? Question options: Power is the ability to do work. Power is the rate at which work is done. Power is the amount o

f work that is done. Power is the product of force applied that displaces an object.
Physics
2 answers:
nika2105 [10]4 years ago
7 0

Power in physics is work done over time. So the answer is Power is the rate at which work is done.

Galina-37 [17]4 years ago
7 0

the product of force applied that displaces an object is work done; not power

the amount of work that is done is work done; not power

Power is the ability to do work is acceptable if the subject is english

but the right ans here is Power is the rate at which work is done.


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The total yearly world consumption of energy is approximately 4.0 × 1020 J. How much mass would have to be completely converted
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Answer:

m = 4.4 × 10³ kg

Explanation:

Given that:

The total yearly energy is 4.0 × 10²⁰ J

The amount of mass that provides this energy can be determined by using the formula:

E = mc²

where;

c = speed of light in free space = (3 × 10⁸)

4.0 × 10²⁰ = m × (3 × 10⁸)²

m = \dfrac{4.0 \times 10^{20} }{(3\times 10^8)^2}

m = 4.4 × 10³ kg

6 0
3 years ago
If Juan upgrades from a sports car to a large truck, what will happen to the
Brrunno [24]

Answer:

The force must increase

Explanation:

According to newton's second law "force is the product of mass and acceleration".

      Force  = mass  x acceleration

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There must be an increase in the force in order to make both automobiles attain the same speed.

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A gas has an initial volume of 168 cm3 at a temperature of 255 K and a pressure of 1.6 atm. The pressure of the gas decreases to
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Oh my lord lol I was do ready to help then I saw numbers
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When a scientist contrasts two or more objects what is he or she looking for?
tekilochka [14]
When your Contrasting multiple objects, your looking for any differences that may or may not be their. Think Compare and Contrast if that helps, The answer to this is A
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You are riding a bicycle. If you apply a forward force of 150 N, and you and the bicycle have a combined mass of 90 kg, what wil
bekas [8.4K]
<h3>Hello There!!</h3>

<h3><u>Given</u>,</h3>

Force(F) = 150N

Mass(m) = 90kg

<h3><u>To </u><u>Find,</u></h3>

Acceleration(a) = ?

<h3><u>We know,</u></h3>

F= m×a

150 = 90 \times  \text{a} \\  \\  \text{a} =  \frac{150}{90}  \\  \fbox{cancelling by 3} \\  \\   \text{ a}  = \cancel \frac{150}{90} \\  \\ \text{ a}  =  \frac{5}{3}  = 1.67 \text{m/s} {}^{2}

\therefore  \text{Option A= 1.67 m/s² is the correct answer}

<h3>Hope this helps</h3>
6 0
2 years ago
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