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dsp73
3 years ago
15

Can something have energy without having momentum? explain. can something have momentum without having energy? defend your answe

r
Physics
1 answer:
marta [7]3 years ago
8 0
Momentum  is a product mass and velocity. If a certain object posses a kinetic energy, then it should have a momentum since it is moving which has a velocity. However, if the object is at rest and only has potential energy, then it would not have momentum. So, for the first question the answer would be yes, an object can have energy without having any momentum. For the second question, every object whether it is moving or at rest, possess some energy, potential for an object at rest and kinetic for an object that is moving. Thus, the answer would be no, an object having momentum would always have energy.
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an object has a mass of 50kg, a final height of 20m and an initial height of 8m. what is the amount of work done
Andrei [34K]

amount of work done is 5880 J

Given:

mass of object = 50kg

Final height = 20m

initial height = 8m

To Find:

amount of work done

Solution:

work is done when a force acts upon an object to cause a displacement. You can calculate the energy transferred, or work done, by multiplying the force by the distance moved in the direction of the force.

The work done by gravity is given by the formula,

W = mgh

W = 50 x 9.8 x ( 20-8)

= 5880 J

So the work done is 5880 J

Learn more about Work done here:

brainly.com/question/25239010

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7 0
2 years ago
X=3t^2-12t+5 calculate time t=1 and time when velocity zero
anyanavicka [17]
You plug your 1 into all spots where the variable is T. Then after you’ve done this, you simply simplify the problem. Then after simplifying you should have an equation where you are simply adding and subtracting which will give you the final answer of 2.

X=3T^2-12T+5
X=3(1)^2-12(1)+5
X=(3)^2-12+5
X=9-12+5

X=2
4 0
3 years ago
How to use allele In a sentence
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3 years ago
What is the answer for number 10
Finger [1]

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If you know the angle, substitute the value of x.

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Hope it helps :)

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3 years ago
Which of the following factors most affect the rate at which waves erode land features along the shore?
OLEGan [10]

Answer:

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Explanation:

hope it helps !

5 0
2 years ago
Read 2 more answers
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