Cengage NEET by C.P Singh
Two masses m1 and m2 are connected by a light string passing over a smooth pulley. When set free m1 moves downward by 2 m in 2 s. The ratio m1/m2 is:
08
Sep
Two masses m1 and m2 are connected by a light string passing over a smooth pulley. When set free m1 moves downward by 2 m in 2 s. The ratio m1/m2 is: Two masses m1 and m2 are connected by a light string passing over a smooth pulley. When set free m1 moves downward by [...]
A force f1 acts on a particle, so as to accelerate it from rest to a velocity v. If the force f1 is replaced by f2, which decelerates it to rest,
08
Sep
A force f1 acts on a particle, so as to accelerate it from rest to a velocity v. If the force f1 is replaced by f2, which decelerates it to rest, A force f1 acts on a particle so as to accelerate it from rest to a velocity v. If the force f1 is replaced [...]
A body of mass 1 kg is moving towards east with a uniform speed of 2 m/s. A force of 2 N is applied to it towards north. The magnitude of the displacement of the body 2 s after the force is applied is
08
Sep
A body of mass 1 kg is moving towards east with a uniform speed of 2 m/s. A force of 2 N is applied to it towards north. The magnitude of the displacement of the body 2 s after the force is applied is A body of mass 1 kg is moving towards east with [...]
A ball of mass 2 kg is thrown vertically upwards by applying a force by hand. If the hand moves 0.2 m while applying the force and the ball goes upto 2 m height further, find the magnitude of the force. (g = 10 ms^−1)
08
Sep
A ball of mass 2 kg is thrown vertically upwards by applying a force by hand. If the hand moves 0.2 m while applying the force and the ball goes upto 2 m height further, find the magnitude of the force. (g = 10 ms^−1) A ball of mass 2 kg is thrown vertically upwards [...]
A car moving with a velocity of 10 m/s can be stopped by the application of a constant force F in a distance of 20 m. If the velocity of the car is 30 m/s. It can be stopped by this force in:-
08
Sep
A car moving with a velocity of 10 m/s can be stopped by the application of a constant force F in a distance of 20 m. If the velocity of the car is 30 m/s. It can be stopped by this force in:- A car moving with a velocity of 10 m/s can be stopped [...]
A body of 5 kg is moving with a velocity of 20 m/s . If a force of 100 N is applied on it for 10 s in the same direction as its velocity, what will now be the velocity of body ?
08
Sep
A body of 5 kg is moving with a velocity of 20 m/s . If a force of 100 N is applied on it for 10 s in the same direction as its velocity, what will now be the velocity of body ? A body of 5 kg is moving with a velocity of 20 [...]
A man can swim at a speed of 3 km/h in still water. He wants to cross a 500 m wide river flowing at 2 km/h. He keeps himself always at an angle of 120 with the river flow while swimming.the time he takes to cross the river is.
08
Sep
A man can swim at a speed of 3 km/h in still water. He wants to cross a 500 m wide river flowing at 2 km/h. He keeps himself always at an angle of 120 with the river flow while swimming.the time he takes to cross the river is. A boat is sent across a [...]
A man can swim in still water at a speed of 3 km/h. he want to cross a river that flows at 2 km/h and reach the point directly opposite to his starting point. In which direction should he try to swim . How much time will he take to cross the river if the is 500 m wide ?
08
Sep
A man can swim in still water at a speed of 3 km/h. he want to cross a river that flows at 2 km/h and reach the point directly opposite to his starting point. In which direction should he try to swim . How much time will he take to cross the river if the [...]
A man crosses a 320 m wide river perpendicular to the current in 4 min. If in still water he can swim with a speed 5/3 times that of the current, then the speed of the current, in m/min is
08
Sep
A man crosses a 320 m wide river perpendicular to the current in 4 min. If in still water he can swim with a speed 5/3 times that of the current, then the speed of the current, in m/min is A man crosses a 320 m wide river perpendicular to the current in 4 min. [...]
The speed of boat is 5 Km/h in still water. It crosses a river of width 1 Km along shortest possible path in 15 min. The velocity of river water is
08
Sep
The speed of boat is 5 Km/h in still water. It crosses a river of width 1 Km along shortest possible path in 15 min. The velocity of river water is The speed of boat is 5 Km/h in still water. It crosses a river of width 1 Km along shortest possible path in 15 [...]