Question 26:
(a) What term is used to denote the change of velocity with time ?
(b) Give one word which means the same as ‘moving with a negative acceleration’.
(c) The displacement of a moving object in a given interval of time is zero. Would the distance travelled by the object also be zero ? Give reason for your answer.
Lakhmir Singh Physics Class 9
Answers
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a. acceleration ,b. retardation and c. no The distance is never 0
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19
a) Acceleration is the term use to denote the change in velocity with time.
b)Retardation or Deceleration means the same as moving with a negative Acceleration.
c)No,the Distance travelled by the moving body can never be 0.But the displacement can be 0.
b)Retardation or Deceleration means the same as moving with a negative Acceleration.
c)No,the Distance travelled by the moving body can never be 0.But the displacement can be 0.
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