Science, asked by rikendaksh, 7 months ago

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Answered by vish143690
17

Answer:

Hey Mate your answer is here

Explanation:

1) The points given below are significant, so far as the difference between speed and velocity:

The distance covered by the body in a given interval of time is called speed. The displacement of the something in a definite time is called velocity.

Speed determines how fast something is moving? On the other hand, velocity determines what direction something is moving?

Speed is a scalar quantity, which measures magnitude only. As against this, velocity is a vector quantity which measures both magnitude and direction.

While speed calculates the rate of change of distance, magnitude calculates the rate of change of displacement.

Speed indicates the rapidity of the moving body. Conversely, velocity represents the rapidity and position of the moving object.

As distance can never be negative, the speed too can never be negative. On the contrary, the displacement can be positive, negative or zero, the velocity can take any of the three values, depending on the point of reference.

When the moving object returns to the starting point, average velocity will be zero, but this is not in the case of average speed.

2) Total Distance travelled=180m

total time taken=1min/60seconds

average speed=Distance travelled/time taken

=180/60

=3m/s

Displacement=90m

total time taken=180s

average velocity=displacement/time taken

=90/180

=0.5m/s

Hope it helps u

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