Physics-
General
Easy
Question
A man is crossing a river flowing with velocity of 5 m/s. He reaches a point directly across at a distance of 60 m in 5 sec. His velocity in still water should be
- 12 m/s
- 13 m/s
- 5 m/s
- 10 m/s
The correct answer is: 13 m/s
Related Questions to study
physics-
At t = 0 a projectile is fired from a point O(taken as origin) on the ground with a speed of 50 m/s at an angle of 53° with the horizontal. It just passes two points A & B each at height 75 m above horizontal as shown The distance (in meters) of the particle from origin at t = 2 sec
At t = 0 a projectile is fired from a point O(taken as origin) on the ground with a speed of 50 m/s at an angle of 53° with the horizontal. It just passes two points A & B each at height 75 m above horizontal as shown The distance (in meters) of the particle from origin at t = 2 sec
physics-General
physics-
At t = 0 a projectile is fired from a point O(taken as origin) on the ground with a speed of 50 m/s at an angle of 53° with the horizontal. It just passes two points A & B each at height 75 m above horizontal as shown The horizontal separation between the points A and B is
At t = 0 a projectile is fired from a point O(taken as origin) on the ground with a speed of 50 m/s at an angle of 53° with the horizontal. It just passes two points A & B each at height 75 m above horizontal as shown The horizontal separation between the points A and B is
physics-General
physics-
A projectile is thrown with a velocity of 50 ms–1 at an angle of 53° with the horizontal The equation of the trajectory is given by
A projectile is thrown with a velocity of 50 ms–1 at an angle of 53° with the horizontal The equation of the trajectory is given by
physics-General
physics-
A projectile is thrown with a velocity of 50 ms–1 at an angle of 53° with the horizontal Determine the instants at which the projectile is at the same height
A projectile is thrown with a velocity of 50 ms–1 at an angle of 53° with the horizontal Determine the instants at which the projectile is at the same height
physics-General
physics-
A projectile crosses two walls of equal height H symmetrically as shown The velocity of projection is
A projectile crosses two walls of equal height H symmetrically as shown The velocity of projection is
physics-General
physics-
A projectile crosses two walls of equal height H symmetrically as shown The angle of projection of the projectile is
A projectile crosses two walls of equal height H symmetrically as shown The angle of projection of the projectile is
physics-General
physics-
A projectile crosses two walls of equal height H symmetrically as shown If the horizontal distance between the two walls is d = 120 m, then the range of the projectile is
A projectile crosses two walls of equal height H symmetrically as shown If the horizontal distance between the two walls is d = 120 m, then the range of the projectile is
physics-General
physics-
A projectile crosses two walls of equal height H symmetrically as shown The maximum height of the projectile is
A projectile crosses two walls of equal height H symmetrically as shown The maximum height of the projectile is
physics-General
physics-
A projectile crosses two walls of equal height H symmetrically as shown The height of each wall is
A projectile crosses two walls of equal height H symmetrically as shown The height of each wall is
physics-General
physics-
A projectile crosses two walls of equal height H symmetrically as shown The time of flight T is given by
A projectile crosses two walls of equal height H symmetrically as shown The time of flight T is given by
physics-General
physics-
An aeroplane flying at a constant velocity releases a bomb. As the bomb drops down from the aeroplane,
An aeroplane flying at a constant velocity releases a bomb. As the bomb drops down from the aeroplane,
physics-General
physics-
Particles A and B are moving with constant velocities along x and y axis respectively, the graph of separation between them with time is
Particles A and B are moving with constant velocities along x and y axis respectively, the graph of separation between them with time is
physics-General
physics-
Two projectiles A and B are thrown with the same speed such that A makes angle 
with the horizontal and B makes angle with the vertical, then
Two projectiles A and B are thrown with the same speed such that A makes angle with the horizontal and B makes angle with the vertical, then
physics-General
physics-
A ball is held in the position shown with string of length 1 m just taut & then projected horizontally with a velocity of 3 m/s. If the string becomes taut again when it is vertical, angle is given by
A ball is held in the position shown with string of length 1 m just taut & then projected horizontally with a velocity of 3 m/s. If the string becomes taut again when it is vertical, angle is given by
physics-General
physics-
A particle is projected at angle 60° with speed 
, from the point ‘A’ as shown in the figure. At the same time the wedge is made to move with speed towards right as shown in the figure. Then the time after which particle will strike with wedge is
A particle is projected at angle 60° with speed , from the point ‘A’ as shown in the figure. At the same time the wedge is made to move with speed towards right as shown in the figure. Then the time after which particle will strike with wedge is
physics-General
