Part 1
Two boys are standing at the ends A and B of a ground, where AB = a. The boy at B starts running in a direction perpendicular to AB with velocity v1. The boy at A starts running simultaneously with velocity v and catches the other boy in a time t, where t is
08
Sep
Two boys are standing at the ends A and B of a ground, where AB = a. The boy at B starts running in a direction perpendicular to AB with velocity v1. The boy at A starts running simultaneously with velocity v and catches the other boy in a time t, where t is Two [...]
Rain is falling vertically downwards with velocity 4 m/s. A man is moving horizontal with velocity 3 m/s. The velocity of rain respect to the man is
08
Sep
Rain is falling vertically downwards with velocity 4 m/s. A man is moving horizontal with velocity 3 m/s. The velocity of rain respect to the man is Rain is falling vertically downwards with velocity 4 m/s. A man is moving horizontal with velocity 3 m/s. The velocity of rain respect to the man is September [...]
A car A is going north east at 80 kmh^-1 and another car B is going south east with a velocity of 60kmh^−1. the direction of the velocity of A relative to B makes an angle with the north equal to:
08
Sep
A car A is going north east at 80 kmh^-1 and another car B is going south east with a velocity of 60kmh^−1. the direction of the velocity of A relative to B makes an angle with the north equal to: A car A is going north east at 80 kmh^-1 and another car B [...]
A car A moves along north with velocity 30 km/h and another car B moves along east with velocity 40 km/h. The relative velocity of A with respect to B is
08
Sep
A car A moves along north with velocity 30 km/h and another car B moves along east with velocity 40 km/h. The relative velocity of A with respect to B is A car A moves along north with velocity 30 km/h and another car B moves along east with velocity 40 km/h. The relative velocity [...]
Two car A and B travelling in the same direction with velocities v1 and v2(v1 v2). When the car A is at a distance d behind of the car B , the driver of the car A applied the brake producing a uniform retardation a. There will be no collision when.
08
Sep
Two car A and B travelling in the same direction with velocities v1 and v2(v1 v2). When the car A is at a distance d behind of the car B , the driver of the car A applied the brake producing a uniform retardation a. There will be no collision when. the driver of the [...]
An express train is moving with a velocity V1. Its driver finds another train is moving on the same track in the same direction with velocity v2 s. To escape collision. driver applies retardation a on the train. The minimum time of escaping collision will be
08
Sep
An express train is moving with a velocity V1. Its driver finds another train is moving on the same track in the same direction with velocity v2 s. To escape collision. driver applies retardation a on the train. The minimum time of escaping collision will be The equation of trajectory of an oblique projectile y [...]
Two trains are moving with equal speed in opposite directions along two parallel railway tracks. If the wind is blowing with speed u along the track so that the relative velocities of the trains with respect to the wind are in the ratio 1 : 2, then the speed of each train must be
08
Sep
Two trains are moving with equal speed in opposite directions along two parallel railway tracks. If the wind is blowing with speed u along the track so that the relative velocities of the trains with respect to the wind are in the ratio 1 : 2, then the speed of each train must be The [...]
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. [...]