1

IIT-JEE 1979

Subjective

+4

-0

The dispalcement x of particle moving in one direction, under the action of a constant force is related to the time t by the equation $$t = \sqrt x + 3$$

where x is in meters and t in seconds. Find

where x is in meters and t in seconds. Find

(i) The displacement of the particle when its velocity is zero, and

(ii) The work done by the force in the first 6 seconds.

2

IIT-JEE 1979

Subjective

+4

-0

Answer the following giving reason in brief:

Is the time variation of position, shown in the figure observed in nature?

3

IIT-JEE 1978

Subjective

+4

-0

A car accelerates from rest at a constant rate $$\alpha $$ for some time after which it decelerates at a constant rate $$\beta $$ to come to rest. If the total time lapse is t seconds, evaluate.

(i) maximum velocity reached, and

(ii) the total distance travelled.

Questions Asked from Motion (Subjective)

Number in Brackets after Paper Indicates No. of Questions

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