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CBSE Class 9 Answered

A cyclist travels a distance of 4 km from P to Q and then moves a distance of 3 km at right angle to PQ. What is the displacement of the cyclist.
Asked by Topperlearning User | 09 Jun, 2016, 02:55: PM
answered-by-expert Expert Answer

begin mathsize 12px style The space displacement space of space the space cyclist space is space PR Thus comma space displacement space equals square root of 4 to the power of 2 space end exponent plus space 3 squared end root space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 5 space km end style

Answered by | 09 Jun, 2016, 04:55: PM

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