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Bond [772]
2 years ago
13

Can a average velocity be zero.Why? ​

Physics
1 answer:
marishachu [46]2 years ago
4 0

<u>Answer:</u>

Yes

<u>Explanation:</u>

Average velocity is the ratio of total displacement and time taken for that displacement:

average \space\ velocity = \frac{displacement}{time}

This means if displacement is zero, then average velocity will also be zero.

Displacement is zero when an object moves some distance in one direction, and then moves the same distance but in the opposite direction.

∴ As it is possible for displacement to be zero, it is also possible for average velocity to be zero.

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The two things that must exist for an electric current to be produced are:

An electric potential between two bodies and a conducting path joining the bodies.

This comes from the fact that when there is a potential difference there is an electrical field and hence a force that makes some free charges to move in the conductor. For this reason, there's an electrical current.

5 0
1 year ago
A block of gelatin is 120mm by 120mm by 40mm when unstressed. A force of 49N is applies tangentically to the upper surface causi
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3 years ago
Can anybody helpp????
Oliga [24]

Answer: white shirt-reflect

top hat- reflect

elepahnt- i think absorb im quite sure

Explanation:

Reflection means that they are thrown back from a surface; absorption means that they are incorporated by a surface and transformed into heat energy. Different surfaces reflect and absorb differently. Different shirts with different colors will absorb light of different wavelength. Black shirt will absorb all colors of light while white shirt will reflect all colors of light. thats why on a hot day you wouldnt want to wear a black t shirt.

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3 years ago
Average velocity is different than average speed because calculating average velocity involves ?
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direction ................................................................

6 0
4 years ago
Read 2 more answers
Simple harmonic motion: the total mechanical energy of a simple harmonic oscillating system is:___.
nataly862011 [7]

The answer is zero.

A simple harmonic motion has zero total mechanical energy as it moves beyond the equilibrium point, when it achieves the maximum displacement, when it moves past the equilibrium point, and when it moves past the equilibrium point and a non-zero constant.

What is simple harmonic motion?

  • Simple Harmonic Motion (SHM) is a periodic, to and fro shifting rotation about the mean position of the body. The restoring force on an oscillating body is geared toward its mean direction since it is exactly proportional to its displacement.
  • The sum of the potential energy and the kinetic energy constitutes the total energy in brainly.com/question/17315536.
  • The particle's total mechanical energy when performing simple harmonic motion.
  • The sum of the kinetic energy of the block plus the potential energy stored in the spring, which is proportional to the square of the amplitude, makes up the total energy of the block and spring system.

To learn more about simple harmonic motion visit: brainly.com/question/25380728?

#SPJ4

3 0
2 years ago
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