Question

A body is moving with speed 10m/s. It is moving in the direction of 3j + 4k.what will be the velocity of the body?​

Answer 1

Answer:

a.Writing the velocity vector of car in the direction of N−E

v→1=∣∣v→1∣∣aˆ=10(iˆ+jˆ2–√)=5(iˆ+jˆ)ms−1

b. Writing the velocity vector of car in direction of N−W

v→2=∣∣v→2∣∣aˆ=10(−iˆ+jˆ2–√)=5(−iˆ+jˆ)ms−1

c. Writing the velocity vector of car in the direction of S−W

v→3=∣∣v→3∣∣aˆ=10(−iˆ−jˆ2–√)=−5(iˆ+jˆ)ms−1

d.Writing the velocity vector of car in the direction of S−E

v→4=∣∣v→4∣∣aˆ=10(iˆ−jˆ2–√)=5(iˆ−jˆ)ms−1.

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