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Which of the following four statements i...

Which of the following four statements is false ?

A

A body can have zero velocity and still be accelerated

B

A body can have a constant velocity and still have a varying speed.

C

A body can have a constant speed and still have a varying velocity.

D

The direction of the velocity of a body can change when its acceleration is constant

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The correct Answer is:
B
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AAKASH SERIES-MOTION IN A PLANE -Exercise -I
  1. The minimum number of non coplanar forces that can keep a particle in ...

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  2. A motor car is going due north at a speed of 50 km/h. It makes a 90^(@...

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  3. Which of the following four statements is false ?

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  4. In a two dimensional motion, instantaneous speed v(0) is a positive co...

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  5. In a two dimensional motion, instantaneous speed v(0) is a positive co...

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  6. Three different objects of masses m(1), m(2) and m(3) are allowed to f...

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  7. A train is moving due east and a car is moving due north with equal sp...

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  8. A bus moves over a straight level road with a constant acceleration a....

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  9. A particle P moves with speed .v. along AB and BC, sides of a square A...

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  10. If A and B persons are moving with V(A) and V(B) velocities directions...

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  11. Wind is blowing to east along two parallel railway tracks. Two trains ...

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  12. A boat moves relative to water with a velcity which is .n. times the r...

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  13. Set the drifts suffered by boat in increasing order. (a) d=1000 m V(...

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  14. (A): A man is on the northern bank of a river. To cross the river in a...

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  15. Keeping the velocity of projection constant, the angle of projection i...

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  16. Match list I with list II for a projectile.

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  17. A projectile has

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  18. Two particles are projected in air with speed u at angles theta(1) and...

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  19. If a body is projected with angle theta to the horizontal, then ·

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  20. (A): The path followed by one projectile as observed by another projec...

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