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A ball is thrown upwards and returns to ...

A ball is thrown upwards and returns to the ground describing a parabolic path. Which of the following quantities remains constant ?

A

Kinetic energy of the ball

B

Speed of the ball

C

Horizontal component of velocity

D

Vertical component of velocity

Text Solution

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The correct Answer is:
C
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ERRORLESS -MOTION IN TWO DIMENSION-Exercise
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  2. Find the angle of projection of a projectile for which the horizontal ...

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  3. A ball is thrown upwards and returns to the ground describing a parabo...

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  4. At the top of the trajectory of a projectile, the directions of its ve...

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  5. An object is thrown along a direction inclined at an angle of 45^(@) w...

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  6. The height y and the distance x along the horizontal plane of a projec...

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  7. Referring to above question, the angle with the horizontal at which th...

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  8. Referring to the above two questions, the acceleration due to gravity ...

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

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  10. A cricketer hits a ball with a velocity 25m//s at 60^(@) above the hor...

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  11. A stone is projected from the ground with velocity 25m//s . Two second...

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  12. Galileo writes that for angles of projection of a projectile at angles...

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  13. A projectile thrown with a speed v at an angle theta has a range R on...

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  14. The greatest height to which a boy can throw a stone is (h). What will...

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  15. The horizontal range is four times the maximum height attained by a pr...

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  16. A ball whose kinetic energy is E , is projected at an angle of 45(@) t...

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  17. A particle of mass m is projected with a velocity v making an angle of...

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  18. A particle reaches its highest point when it has covered exactly one h...

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

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  20. When a body is thrown with a velocity u making an angle theta with the...

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