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One of the rectangular components of velocity of 80 ${kmh}^{- 1}$ is 40 Km $h^{- 1}$ What are the other components ?

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40 kmh-1

69.28 kmh-1

89.44 kmh-1

120 kmh-1

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detailed solution

Correct option is B

R = 80 km/h, Rx = 40 km/hbut R2 = Rx2+Ry2 ⇒802 = 402+Ry2⇒ Ry2 = 4800⇒Ry = 4800 = 403 = 69.28

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One of the rectangular components of velocity of 80 kmh-1 is 40 Kmh-1 What are the other components ?

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

free study material

One of the rectangular components of velocity of 80 ${kmh}^{- 1}$ is 40 Km $h^{- 1}$ What are the other components ?