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olya-2409 [2.1K]
3 years ago
10

What is potential energy called that is associated with objects that can be stretched

Physics
1 answer:
Umnica [9.8K]3 years ago
5 0
Elastic potential energy
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Please help I'll mark brainliest!!!!
madam [21]

This question is based on the fundamental assumption of  vector direction.

A vector is  a physical quantity which has  magnitude as well direction  for its complete specification.

The magnitude of a physical quantity is simply a  numerical number .Hence it can not be negative.

A negative vector is a vector which comes into existence when it is opposite to our assumed direction with respect to any other vector.  For instance, the vector is taken positive if it is along + X axis and negative if it is along - X axis.

As per the first option it is given that a vector is negative if its magnitude is greater than 1. It is not correct as magnitude play no role in it.

The second option tells that the magnitude of the vector is less than 1. Magnitude can not be negative. So this is also wrong.

Third one tells that a vector is negative if its displacement is along north. It does not give any detail information about the negativity of a vector.

In a general sense we assume that vertically downward motion  is negative and vertically upward is positive. In case of a falling object the motion is  vertically downward. So the velocity of that object is negative .

So last   option is  partially  correct  as  the vector can be negative depending on our choice of co-ordinate system.





7 0
3 years ago
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Explain how newton's third law of motion is at work when you walk
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Action reaction when you push on the ground the ground pushes you back 
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A car of 1400 kg is subject to multiple forces which produce an acceleration of 3.5 m/s2 directed north. Find the net force.​
Greeley [361]

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will

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1<br> 2<br> 3<br> What would happen if Bulb 1 goes out?
aleksandrvk [35]

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Good evening! Can someone please answer this, ill give you brainliest and your earning 50 points. Would be very appreciated.
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