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A person 'P' in train moving due south w...

A person 'P' in train moving due south with 80 kmph and his friend Q moving due west at 60 kmph Q finds that P is travelling with a velocity of

A

100 kmph, `Tan^(-1)((4)/(3))S` or E

B

100 kmph `Tan^(-1)((4)/(3)) E` of S

C

100 kmph S of E

D

100 kmph N of E

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A
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AAKASH SERIES-MOTION IN A PLANE -Practice Exercise
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  2. A car moving at a constant speed of 36kmph moves north wards for 20 mi...

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  3. A person 'P' in train moving due south with 80 kmph and his friend Q m...

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  4. A person crossing a road with a certain velocity due north sees a car ...

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  5. A particle is moving east wards with a velocity of 15 ms^(-1). In a ti...

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  6. A ship 'A' steams down to North at 16 kmph, and ship 'B' due west at ...

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  7. When it is raining vertically down, to a man walking on road the veloc...

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  8. A shower of rain appears to fall vertically downwards with a velocity...

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  9. A boat takes 4 hr upstream and 2 hr down the stream for covering the s...

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  10. A man can swim in still water at a speed of 6 kmph and he has to cross...

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  11. A person aiming to reach the exactly opposite point on the b...

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  12. A boat moves perpendicular to the bank with a velocity of 7.2 km/h. Th...

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  13. A swimmer is capable of swimming at 1.65ms- in still water. If he swim...

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  14. A body is projected with an initial Velocity 20 m/s at 60° to the hori...

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  15. A body is projected with an initial Velocity 20 m/s at 60° to the hori...

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  16. A bullet is projected upwards from the top of a tower of height 90 m w...

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  17. Astone is projected from the ground with a velocity of 20 m/s at angle...

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  18. The horizontal and vertical displacements of a projectile at time t ar...

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  19. A body is projected with velocity 24 ms^(-1) making an angle 30° with ...

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  20. A body projected with velocity 30 ms^(-1) reaches its maximum height ...

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