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. (A): Mountain roads rarely go straight...

. (A): Mountain roads rarely go straight up the slope.
(R): Slope of mountains are large therefore more chances of vehicle to slip from roads.

A

Both .A. and .R. are true and .R. is the correct explanation of .A.

B

Both .A. and .R. are true and .R. is not thecorrect explanation of .A.

C

A. is true and .R. is false

D

A. is false and .R. is true

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-WORK, POWER & ENERGY -EXERCISE - I
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  2. The work done by all the forces (external and internal) on a system eq...

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  4. body is allowed to fall from a height h above the ground. Then match t...

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  5. . A curve is drawn expressing the kinetic energy of a particle as a fu...

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  8. . A raindrop falling from a height .h. above ground, attains a near te...

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  9. Two inclined frictionless tracks, one gradual and the other steep meet...

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  10. A heavy stone is thrown from a cliff of height h in a given direction....

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  11. 40. Which of the diagrams correctly shows the change in kinetic energy...

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  15. (A): Mass and energy are not conserved separately, but are conserved a...

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  16. Two bodies A and B of masses m, and m, moving with velocities V(1) and...

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  17. Two particles of equal masses have an elastic collision, the target pa...

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  18. . A bullet hits a block at rest on a frictionless horizontal surface a...

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