1.

What are the initial position vector →ri and final position vector →rf, both in unit-vector notation? What is the x component of displacement Δ→r?(i)Position vector →ri(x)5^i−3^j−1^k(ii)Postion vector →rf(y)−2^i−4^j+1^k(iii)x-component of displacement Δ→r(z)7^i+1^j−2^k

Answer»

What are the initial position vector →ri and final position vector →rf, both in unit-vector notation? What is the x component of displacement Δ→r?

























(i)



Position vector →ri



(x)



5^i−3^j−1^k



(ii)



Postion vector →rf



(y)



−2^i−4^j+1^k



(iii)



x-component of displacement Δ→r



(z)



7^i+1^j−2^k


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