IIT JEE Questions And Answers :: Motion In Two And Three Dimensions: part1



IIT JEE : Motion In Two And Three Dimensions QUESTIONS AND ANSWERS :: part1 : 11 to 15

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

11.If the air resistance causes a vertical retardation of 10% of value of acceleration due to gravity, then the time of flight of an oblique projectile will be decreased by nearly

6%
7%
8%
9%

12.The greatest height to which a man can throw a ball is h. What is the greatest distance to which he can throw the ball ?

h / 4
h / 2
h
2h

13.For the same horizontal range, in how many projections can an object be projected?

4
3
2
1

14.A projectile of mass 2 kg has velocities 3 m/s and 4 m/s at two points during its flight in the uniform gravitational field of the earth. If these two velocities are perpendicular to each other, then the minimum kinetic energy of the particle during its flight is:

6.32 J
8.40 J
16.32 J
5.76 J

15.An oblique projectile has the smallest speed on its trajectory when

it is at the highest point
it is at the point of projection
it hits the ground
the horizontal distance traveled by it is one-eight of the maximum height.

More Motion In Two And Three Dimensions QUESTIONS AND ANSWERS available in next pages

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