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If air resistance is not considered in p...

If air resistance is not considered in projectiles, the horizontal motion takes place with:

A

constant velocity

B

constant acceleration

C

constant retardation

D

variable velocity

Text Solution

Verified by Experts

The correct Answer is:
A
In the absence of air resistance, the projectile moves with constant horizontal velocity because acceleration due to gravity is totally vertical.
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Projectile Motion - Horizontal|Question

When air resistance is taken into account while dealing with the motion of the projectile which of the following properties of the projectile, shows an increases?

Assertion: Circular and projectile motions both are two idimensional motion.But In circular motion, we cannot apply v=u+at directly, whereas in projectile motion we can. Reason: Projectile motion takes place under gravity, while in circular motion gravity has no role.

A2Z-MOTION IN TWO DIMENSION-Chapter Test
  1. If air resistance is not considered in projectiles, the horizontal mot...

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  2. In a two dimensional motion,instantaneous speed v(0) is a positive con...

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  3. A body is projected at 30^(@) with the horizontal. The air offers resi...

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  4. If a body is projected with an angle theta to the horizontal, then

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  5. Show that there are two values of time for which a projectile is at th...

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  6. At a height 0.4 m from the ground the velocity of a projectile in vect...

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  7. A particle is projected from the ground with an initial speed of v at ...

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  8. At what angle with the horizontal should a ball be thrown so that the ...

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  9. A projectile is fired at an angle of 30^(@) with the horizontal such t...

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  10. An airplane is flying horizontally at a height of 490m with a velocity...

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  11. Jai is standing on the top of a building of height 25 m he wants to th...

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  12. The equations of motion of a projectile are given by x=36tm and 2y=96t...

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  13. A plane surface is inclined making an angle beta above the horizon. A ...

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  14. A player kicks a ball at a speed of 20ms^(-1) so that its horizontal r...

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  15. Two tall buildings are 30 m apart. The speed with which a ball must be...

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  16. Which of the following statements is incorrect?

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  17. A motor car travelling at 30 m//s on a circular road of radius 500m. I...

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  18. A particle moves along a circle of radius R =1m so that its radius vec...

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  19. What remains constant in uniform circular motion ?

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  20. A train is moving towards north. At one place it turn towards north -e...

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  21. A motor cyclist is trying to jump across a path as shown by driving ho...

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