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Can a body have zero velocity and finite...

Can a body have zero velocity and finite acceleration?

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A : It is not possible to have constant velocity and variable acceleration. R : Accelerated body cannot have constant velocity.

If net force on a right body zero, it is either at rest or moving with a contact linear velocity. Nothing else can happen. Contant velocity means linear acceleration is zero

A body starts from a point O with a velocity v and uniform acceleration alpha. The direction of acceleration is revarsed when the velocity of the body becomes 5v. The velocity of body at point O will be

A rigid body is free to rotate about an axis. Can the body have non-zero angulalr acceleration of an instant when its angular velocity is zero?

Can a body have a. Zero instantaneous velocity and yet be accelerating? b. Zero average speed but non-zero average velocity? c. Negative acceleration and yet be speeding up? d. Magnitude of average velocity be equal to average speed ?

Let v and a denote the velocity and acceleration respectively of a body.

Three forces act on a body. The body will certainly have an acceleration of these are:

Assertion: A body having non zero acceleration can have a constant velocity. Reason: Acceleration is the rate of change of velocity.

SL ARORA-MECHANICS-Exercise
  1. Can a body have zero velocity and finite acceleration?

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  2. A cyclist moving on a circular track of radius 100 m completes one rev...

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  3. A cyclist moving on a circular track of radius 100 m completes one rev...

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  4. A body travels a distance s(1) with vleocity v(1) and distance s(2) w...

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  5. A car covers the first half of the distance between two places at a sp...

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  6. A train moves with a speed o f30kmh^(-1) in the first 15 minutes,with...

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  7. The body travels a distance s(1) with velcity v(1) and s(2) with vel...

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  8. A car along a starigth line for the first half time with speed 50 kmh^...

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  9. The displacement x of a particle at time t along a straight line is gi...

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  10. The displacement x of a particle is dependent on time t according to t...

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  11. The displacement x of a particle is dependent on time t according to t...

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  12. The displacement of a particle along the x-axis is given by x=3+8t+7t^...

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  13. The distance traversed by a particle moving along a straight lne is gi...

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  14. The distance traversed by a particle moving along a straight line is g...

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  15. The distance traversed by a particle moving along a straight lne is gi...

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  16. A race car accelerates on a straight road from rest to a speed of 180 ...

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  17. A bullet travellling with a velocity of 16 m/s penetrates a tree trunk...

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  18. A car moving along a stainght highway with a speed of 72 kmh^(-1) is b...

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  19. on turning a corner a car driving at 36kmh^(-1) finds a child on the r...

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  20. the reaction time for an automobile drive os 0.6s if the automobile c...

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  21. A car starts from rest and accelerates uniformly for 10 sto a velocity...

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