Home
Class 12
PHYSICS
Assertion : The average velocity of a pa...

Assertion : The average velocity of a particle having initial and final velocity `v_(1)` and `v_(2)` is `v_(1)+v_(2)//2`.
Reason : If `r_(1)` and `r_(2)` be the initial and final displacement in time t, then `v_(av)=(r_(1)-r_(2))/(t)` .

A

Both Assertion and Reason are correct and Reason Is the correct explanation of the Assertion

B

Both Assertion and Reason are correct but Reason Is not the correct explanation of Assertion

C

Assertion is correct but Reason is incorrect

D

Assertion is incorrect and Reason is correct

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

If u_(1), u_(2) and v_(1), v_(2) are the initial and final velocities of two particles before and after collision respectively, then (v_(2)-v_(1))/(u_(1)-u_(2)) is called ___________.

Two satellite are revolving around the earth with velocities v_(1) and v_(2) and in radii r_(1) and r_(2)(r_(1) gt r_(2)) respectively. Then

A particle move with velocity v_(1) for time t_(1) and v_(2) for time t_(2) along a straight line. The magntidue of its average acceleration is

Two cells of unequal emfs, varepsilon_(1) and varepsilon_(2) and internal resistances r_(1) and r_(2) are joined as shown. V_(A) and V_(B) are the potentials at A and B respectively.

A plenet moving along an elliptical orbit is closest to the sun at a distance r_(1) and farthest away at a distance of r_(2) . If v_(1) and v_(2) are the linear velocities at these points respectively, then the ratio (v_(1))/(v_(2)) is

Two cars of same mass are moving with velocities v_(1) and v_(2) respectively. If they are stopped by supplying same breaking power in time t_(1) and t_(2) respectively then (v_(1))/(v_(2)) is

A particle moves with an initial velocity v_(0) and retardation alpha v , where v is the velocity at any time t.

A particle moves with an initial velocity V_(0) and retardation alpha v , where alpha is a constant and v is the velocity at any time t. Velocity of particle at time is :

A particle moves with initial velocity v_(0) and retardation alphav , where v is velocity at any instant t. Then the particle