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At a given instant of time two particles...

At a given instant of time two particles are having the position vectors `4 hati -4hatj + 7 hatk` metre and `2 hat i +2 hatj + 5hatk` respectively. If the velocity of the first particle be `0.4 hati ms^-1`, the velocity of second particle in metre per second if they collide after 10 s is

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The correct Answer is:
`0.6(veci-vecj+1/3veck)`
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AAKASH SERIES-ELEMENTS OF VECTORS -Numerical Exercise( Level 2)
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  4. A vman is travelling at 10.8kmph in a topless car in a rainy day. He h...

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  9. The components of a particles velocity in the directions at right angl...

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  10. Two vectors vecp"and "vecQ are having their magnitudes in the ratio sq...

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  11. A vector makes angles alpha,beta "and" gamma with the X,Y and Z axes r...

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  12. At a given instant of time two particles are having the position vecto...

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  14. The sum of the magnitude of two forces acting at a point is 18 and the...

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  15. Two particles 1 and 2 move with constant velocities vecV"and "vecV(2)....

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  19. A swinmmer is capable of swimming at 1.65ms^(-1) in still water . If h...

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