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A foot ball is thrown in a parabolic pat...

A foot ball is thrown in a parabolic path. Is there a point at which the acceleration is parallel to the velocity ?Perpendicular to the velocity ? Explain.

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SL ARORA-Motion in a Plane-Excercise
  1. Can a body possess velocity at the same time in horizontal and vertica...

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  2. Name the quantity which remains unchanged during the flight of an obli...

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  3. A foot ball is thrown in a parabolic path. Is there a point at which t...

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  4. A projectile fired from the ground follows a parabolic path. The speed...

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  5. Is it true that the instantaneous velocity of a projectile is tangenti...

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  6. A particle is projected at an angle of 45^(@) with a velocity of 9.8 m...

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  7. At what angle to the horizontal should an object be projected so that ...

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  8. Acceleration of a particle under projectile motion at the highest poin...

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  9. A projectile is fired with kinetic energy 1 kj. If its range is maximu...

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  10. A body is projected so that it has maximum range R. What is the maximu...

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  11. What is the maximum vertical height to which a cricketer can throw a b...

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  12. Two bodies are projected at angle theta and (90 -theta) to the horizo...

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  13. A particle moves in a plane with uniform acceleration having direction...

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  14. Name two quantities which have maximum values when the maximum height ...

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  15. The range of a projectile, when launched at an angle of 15^(@) with...

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  16. What are the angles of projection of a projectile projected with veloc...

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  17. A bomb is dropped from an aeroplane flying horizontally with a velocit...

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  18. A stone is thrown at an angle of 45^(@) to the horizontal with kinetic...

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  19. A ball is thrown at an angle theta with the horizontal. Its time of fl...

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  20. The horizontal range of a projectile is 2 sqrt(3) times its maximum he...

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