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Q.

A vector has a component of 15m in the +x direction, a component of 15m in the +y direction, and a component of 10m in the +z direction.

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a

The magnitude of vector is  610unit 

b

The vector is 15i→+15j→+10k→

c

The vector is 15i→−15j→+10k→

d

The magnitude of vector is 550 unit

answer is A, C.

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Detailed Solution

detailed_solution_thumbnail

A→=axi→+ayj→+azk→=15i→+15j→+10k→

|A→|=ax2+ay2+az2=550 unit

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