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a car is moving along a line y=x at 10m/s . find component of velocity vector on the vector i+j+k?

a car is moving along a line y=x at 10m/s . find component of velocity vector on the vector i+j+k?

Grade:11

1 Answers

pankaj kumar raman
51 Points
10 years ago

angle made by the vector i+j+k with x , y , z axis is ∏/3 from each

& hence it makes an angle of ∏/6 from the x-y plane

hence component along i+j+k will be 10cos∏/6 = 5√3m/s

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