Chapter 4 – Motion in a Plane
Figure shows four paths for a kicked football. Ignoring the effects of air on the flight, rank the paths according to the initial horizontal velocity component, highest first.
20
Oct
Figure shows four paths for a kicked football. Ignoring the effects of air on the flight, rank the paths according to the initial horizontal velocity component, highest first. Figure shows four paths for a kicked football. Ignoring the effects of air on the flight highest first. rank the paths according to the initial horizontal velocity [...]
Two particles are projected simultaneously in the same vertical plane from the same point, with different speeds u1 and u2, making angles θ1 and θ2 respectively with the horizontal. The path followed by one, as seen by the other (as long as both are in flight), is
20
Oct
Two particles are projected simultaneously in the same vertical plane from the same point, with different speeds u1 and u2, making angles θ1 and θ2 respectively with the horizontal. The path followed by one, as seen by the other (as long as both are in flight), is as seen by the other (as long as [...]
A body thrown horizontally from the top of a building with a speed 20m/s, strikes the ground 40m away from the foot of tower. The height of the tower is
20
Oct
A body thrown horizontally from the top of a building with a speed 20m/s, strikes the ground 40m away from the foot of tower. The height of the tower is A body thrown horizontally from the top of a building with a speed 20m/s strikes the ground 40m away from the foot of tower. The [...]
A particle is thrown with speed u at an angle of projection θ with horizontal as shown. (i) The average velocity of particle from O to A is ucosθ (ii) The average velocity of particle from O to H (highest point) is u/21+3cos2θ−−−−−−−−−√ (iii) The average velocity of particle from J to K is u cos θ (iv) The angle between the velocity and the acceleration between O and H is greater than 90^∘, between H to A is less than 90^∘ and at highest point is 90^∘
20
Oct
A particle is thrown with speed u at an angle of projection θ with horizontal as shown. (i) The average velocity of particle from O to A is ucosθ (ii) The average velocity of particle from O to H (highest point) is u/21+3cos2θ−−−−−−−−−√ (iii) The average velocity of particle from J to K is u [...]
In an oblique projectile motion if the velocity of projection is increased by 2%, the percentage increase in horizontal range will be
08
Sep
In an oblique projectile motion if the velocity of projection is increased by 2%, the percentage increase in horizontal range will be In an oblique projectile motion if the velocity of projection is increased by 2% the percentage increase in horizontal range will be September 8, 2020 Category: Cengage NEET by C.P Singh , Chapter [...]
A ball is thrown from the ground so as to just clear a wall 10m high at a distance of 20m and falls at a distance of 40m from the wall. The magnitude and direction of the projection velocity is
08
Sep
A ball is thrown from the ground so as to just clear a wall 10m high at a distance of 20m and falls at a distance of 40m from the wall. The magnitude and direction of the projection velocity is A ball is thrown from the ground so as to just clear a wall 10m [...]
A ball is projected at an angle 45∘ with horizontal. It passes through a wall of height h at horizontal distance d1 from the point of projection and strikes the ground at a horizontal distance (d1+d2) from the point of projection, then
08
Sep
A ball is projected at an angle 45∘ with horizontal. It passes through a wall of height h at horizontal distance d1 from the point of projection and strikes the ground at a horizontal distance (d1+d2) from the point of projection, then The equation of trajectory of an oblique projectile y = √3x - gx^2/2. [...]
A boy throws a ball vertically upwards from moving open car on a horizontal straight road (i) The ball will fall behind the boy, if car is accelerating (ii) The ball will fall in front of the boy, if car is decelerating (iii) The ball will fall in the hands of boy if car is moving with uniform velocity (iv) The path of ball as seen by the boy will be vertical straight line if car is moving uniformly (v) The path of ball as seen by observer on ground will be parabola
08
Sep
A boy throws a ball vertically upwards from moving open car on a horizontal straight road (i) The ball will fall behind the boy, if car is accelerating (ii) The ball will fall in front of the boy, if car is decelerating (iii) The ball will fall in the hands of boy if car is [...]
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A boy throws a ball vertically upwards from moving open car on a horizontal straight road (i) The ball will fall behind the boy ,
if car is accelerating (ii) The ball will fall in front of the boy ,
The equation of trajectory of an oblique projectile y = √3x - gx^2/2. The angle of projection is ,
A ball is thrown from a point with a speed v0 at an angle of projection . From the same point and at this same instant, a person starts running with a constant speed v0/2 to catch the ball. Will the person be able to catch the ball? If yes, what should be the angle of projection?
08
Sep
A ball is thrown from a point with a speed v0 at an angle of projection . From the same point and at this same instant, a person starts running with a constant speed v0/2 to catch the ball. Will the person be able to catch the ball? If yes, what should be the angle [...]
An object is projected with a velocity of 10 m/s at an angle 45 with horizontal. The equation of trajectory followed by the projectile is y = ax−β x 2, the ratio α/β is
08
Sep
An object is projected with a velocity of 10 m/s at an angle 45 with horizontal. The equation of trajectory followed by the projectile is y = ax−β x 2, the ratio α/β is An object is projected with a velocity of 10 m/s at an angle 45 with horizontal. The equation of trajectory followed [...]