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lukranit [14]
3 years ago
10

Velocity can be either positive or negative, depending on the direction of the displacement. The time interval, Ît, is always po

sitive. Why?
Physics
1 answer:
m_a_m_a [10]3 years ago
7 0

Answer:The time interval is always positive quantity because time always moves forward. Time can not be reversed.

Explanation:

Velocity is defined as rate of change of position nothing but the displacement. Displacement can be positive or negative.

In case of time interval, time is always a positive quantity. it is impossible to reverse the time. To obtain any displacement we need to measure the time taken. which has to be positive. It always moves forward.

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