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Q30. 1) What is retardation also called? Why is it called so? State whether it is a scalar or vector quantity.
2) The speed of a bike decreases from 40m/s to 30m/s in 5 seconds. Calculate the acceleration of the bike.
3) What is the distance travelled during this time by the bike.
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3
Answer:
retardation is also called negative acceleration.
Answered by
1
Answer:
1. Retardation is defined as a negative acceleration.. So it is a vector quantity.
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