Question

Define the following terms and write the SI units:

(1) Average Velocity (2) Average Acceleration.​

Answer 1

Answer:

1. The average velocity of an object is its total displacement divided by the total time taken. In other words, it is the rate at which an object changes its position from one place to another. Average velocity is a Vector quantity. Aug 23 2019

The SI unit of average velocity is ms^ -1 or m/s. The dimensional formula for the same is given by [M L T ^ -1] CGS (centimeter-gram-second) unit for velocity is cm s ^ -1. The SI Unit of Speed Is

2.Average Acceleration Formula Acceleration is defined as the rate of change of velocity. It is denoted by ‘a’ and is measured in the units of m/s 2. For a particular interval, the average acceleration is defined as the change in velocity for that particular interval.

Thus, average acceleration is the average rate of change of velocity. Since average acceleration is the ratio of velocity to time, the SI unit of average acceleration is meters per second per second ( (m/s)/s) or more simply meters per second squared ( m/s2 ).

Explanation:

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Answer 2

Answer:

(1) The average velocity of an object is its total displacement divided by the total time taken. In other words, it is the rate at which an object changes its position from one place to another.

(2) Average acceleration is the change in velocity divided by an elapsed time.

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