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Leya [2.2K]
3 years ago
14

When describing how power and work are similar you would want to mention that a you must know time to determine both work and po

wer. b you must know force in order determine both workand power. c you must know energy in order to determine both work and power. d you must know velocity to determine both work and power?
Physics
2 answers:
Roman55 [17]3 years ago
5 0
The answer that would best complete the given statement above would be option B. When describing how power and work are similar you would want to mention that <span>you must know force in order determine both work and power. Hope this answers your question. Have a great day!</span>
devlian [24]3 years ago
4 0

Answer:

You must know force in order determine both work and power.

Explanation:

Work done is defined as the product of the force and the displacement. Mathematically, it can be written as :

W = F × d

W=Fdcos\ \theta

\theta is the angle between the force and the displacement.

The power of an object is defined as the rate at which the work is done. It can be written as:

P=\dfrac{W}{t}

here w is the work done and t is the time taken.

So, in order to determine both power and the work the applied force must be a known quantity.

Hence, the correct option is (b) " you must know force in order determine both work and power ".

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8 0
3 years ago
Read 2 more answers
Which statement is incorrect when considering gases? 1. Gas molecules are in constant, random motion at room temperature 2. The
vova2212 [387]

Answer:

4

Explanation:

For gases :

1. The motion of gases molecule is in random manner at the room temperature.

2.The distance between the gas molecule is more and that is why gas can be compress.

3.The attraction force between the gas molecule is negligible or we can say that there is no any force between the gas molecules.that is why gas can be filled in the container.But the motion of the gas molecule does not stop they are still moving inside the container but the space for movement become less.When a gas container heated then the container start to vibrate because the movement of the gas molecule.

So the option 4 is incorrect.

6 0
3 years ago
Sandra takes a class field trip to a geology museum. She sees an interesting sample of igneous rock. She wonders if the material
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Answer:

Yes

Explanation:

It is possible for sedimentary rocks to be converted to igneous rocks. Under conditions of high temperature and pressure, sedimentary rocks can be broken down into igneous rock by melting this rock type.

When the rock is broken down, it forms melt which when cooled and solidifies will form igneous rocks.

Sedimentary rocks are formed from the breaking down of pre-existing rocks through the action of weathering, erosion and sediment transportation. Within a basin, the sediments are compacted and lithified.

When this is subjected to intense pressure and temperature, the rock hardens and might further break down to melt.

6 0
3 years ago
A 60 W lightbulb is on for 24 hours. A stereo with a power of 150 W is on for 2
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6 0
3 years ago
As a rock sinks deeper and deeper into water of constant density, what happens to the buoyant force on it? As a rock sinks deepe
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Answer:

It remains constant

Explanation:

As we know that buoyant force on an object given as

Fb = ρ Vd g

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So when rock gets deeper and deeper the buoyant force will remain constant.

It remains constant

3 0
3 years ago
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