Скачать или смотреть Motion In A Plane & Projectile Motion DPP 5.2 P1

Motion In A Plane & Projectile Motion DPP 5.2 P1

Boost your NEET and JEE preparation with Dive Into Physics (DIP) for all the Physics MCQ's you need to practice before examination.


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Timestamps:

00:00 Q 1 In a two-dimensional motion, instantaneous speed v0 is a positive constant. Then which of the following are necessarily true?
05:18 Q 2 In a two-dimensional motion, instantaneous speed v0 is a positive constant. Then, which of the following are necessarily true?
08:24 Q 3 A particle velocity changes from to in 2 s. If its mass is 1 kg, the acceleration (ms–2) is
10:12 Q 4 A projectile is thrown at an angle with the horizontal and its range is R1. It is then thrown at an angle with vertical and the range is R2, then
12:39 Q 5 Figure shows four paths for a kicked football. Ignoring the effects of air on the flight, rank the paths according to initial horizontal velocity component highest first.
15:09 Q 6 Which of the following is the graph between the height (h) of a projectile and time (t), when it is projected from the ground?
16:48 Q 7 Which of the following is the altitude-time graph for a projectile thrown horizontally from the top of the tower?
18:51 Q 8 The horizontal range of a projectile fired at an angle of 15° is 50 m. If it is fired with the same speed at an angle of 45°, its range will be
21:33 Q 9 A body is thrown horizontally from the top of a tower of height 5 m. It touches the ground at a distance of 10 m from the foot of the tower. The initial velocity of the body is (Take, g = 10 ms–2)
24:27 Q 10 Velocity and acceleration of a particle at some instant of time are ms–1 and ms–2, respectively. At the same instant particle is at origin, maximum x-coordinate of particle will be
28:30 Q 11 Two paper screens A and B are separated by a distance of 100 m. A bullet pierces A and then B. The hole in B is 10 cm below the hole in A. If the bullet is travelling horizontally at the time of hitting A, then the velocity of the bullet at A is
33:18 Q 12 Two stones having different masses m1 and m2 are projected at an angle α and with same speed from same point. The ratio of their maximum heights is
34:57 Q 13 Two projectiles A and B are thrown from the same point with velocities v and v /2, respectively. If B is thrown at an angle 45°with horizontal, what is the inclination of A when their ranges are the same?
37:27 Q 14 A particle moves in the XY-plane according to the law x = kt, y = kt , where k and are positive constants and t is time. The trajectory of the particle is
39:36 Q 15 The maximum range of a gun on horizontal terrain is 1 km. If g = 10 ms–2, what must be the muzzle velocity of the shell?
41:18 Q 16 The equation of trajectory of a projectile is , the angle of its projection is
43:30 Q 17 A projectile is thrown upward with a velocity v0 at an angle to the horizontal. The change in velocity of the projectile when it strikes the same horizontal plane is
47:42 Q 18 The maximum height attained by a projectile is increased by 10% by increasing its speed of projection, without changing the angle of projection. The percentage increase in the horizontal range will be
50:24 Q 19 A body is projected at an angle of 30° with the horizontal with momentum p. At its highest point, the magnitude of the momentum is
53:54 Q 20 A projectile is fired from ground level at an angle above the horizontal. The elevation angle of the highest point as seen from the launch point is related to by the relation