A bidy moves south at 20m/s and changes direction by moving north at 30m/s. calculate
a) the change in speed
b) the change in velocity

Question

05-09-2021
Physics

Answered

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A bidy moves south at 20m/s and changes direction by moving north at 30m/s. calculate
a) the change in speed
b) the change in velocity

Sagot :

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