Chapter 4 – Motion in 2 Dimension
Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 4 - Motion in 2 Dimension
A shot is fired from a point at a distance of 200 m from the foot of a tower 100 m high so that it just passes over it horizontally. The direction of shot with horizontal is
05
Sep
A shot is fired from a point at a distance of 200 m from the foot of a tower 100 m high so that it just passes over it horizontally. The direction of shot with horizontal is A shot is fired from a point at a distance of 200 m from the foot of a [...]
A particle is projected from ground at some angle with the horizontal. Let P be the point at maximum height H. At what height above the point P should the particle be aimed to have equal to maximum height ?
05
Sep
A particle is projected from ground at some angle with the horizontal. Let P be the point at maximum height H. At what height above the point P should the particle be aimed to have equal to maximum height ? A swimmer wishes to cross a 500 m river flowing at 5 km/h. His speed [...]
A particle is moving in a circle of radius r centred at O with constant speed v. What is the change in velocity in moving from A to B(∠AOB = 40)?
05
Sep
A particle is moving in a circle of radius r centred at O with constant speed v. What is the change in velocity in moving from A to B(∠AOB = 40)? A particle is moving in a circle of radius r centred at O with constant speed v. What is the change in velocity in [...]
The ratio of the distance carried away by the water current, downstream, in crossing a river, by a person, making same angle with downstream and upstream is 2 : 1. The ratio of the speed of person to the water current cannot be less than
05
Sep
The ratio of the distance carried away by the water current, downstream, in crossing a river, by a person, making same angle with downstream and upstream is 2 : 1. The ratio of the speed of person to the water current cannot be less than by a person downstream in crossing a river making same [...]
A river flows with a speed more than the maximum speed with which a person can swim in still water. He intends to cross the river by the shortest possible path (i.e., he wants to reach the point on the opposite bank which directly opposite to the starting point). Which of the following is correct ?
05
Sep
A river flows with a speed more than the maximum speed with which a person can swim in still water. He intends to cross the river by the shortest possible path (i.e., he wants to reach the point on the opposite bank which directly opposite to the starting point). Which of the following is correct [...]
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A river flows with a speed more than the maximum speed with which a person can swim in still water. He intends to cross the river by the shortest possible path (i.e. ,
he wants to reach the point on the opposite bank which directly opposite to the starting point). Which of the following is correct ? ,
A man can swim in still water with a speed of 2 ms^−1. If he wants to cross a river of water current speed 3 root ms^−1 along shortest possible path, then in which direction should he swim?
05
Sep
A man can swim in still water with a speed of 2 ms^−1. If he wants to cross a river of water current speed 3 root ms^−1 along shortest possible path, then in which direction should he swim? A man can swim in still water with a speed of 2 ms^−1. If he wants [...]
A swimmer wishes to cross a 500 m river flowing at 5 km/h. His speed with respect to water is 3 km/h. The shortest possible time to cross the river is
05
Sep
A swimmer wishes to cross a 500 m river flowing at 5 km/h. His speed with respect to water is 3 km/h. The shortest possible time to cross the river is A swimmer wishes to cross a 500 m river flowing at 5 km/h. His speed with respect to water is 3 km/h. The shortest [...]
The car is moving towards east with a speed of 25 km/h. To the driver of the car, a bus appears to move towards north with a speed of 25 root 3 km/h. What is the actual velocity of the bus?
05
Sep
The car is moving towards east with a speed of 25 km/h. To the driver of the car, a bus appears to move towards north with a speed of 25 root 3 km/h. What is the actual velocity of the bus? a bus appears to move towards north with a speed of 25 root 3 [...]
A river is flowing from west to east at a speed of 5 metres per minute. A man on the south bank of the river , capable of swimming at 10 metres per minute , in still water , wants to swim across the river in the shortest time . Finally he will move in a direction
05
Sep
A river is flowing from west to east at a speed of 5 metres per minute. A man on the south bank of the river , capable of swimming at 10 metres per minute , in still water , wants to swim across the river in the shortest time . Finally he will move in [...]
A bird is flying towards north with a velocity 40 kmh^−1 and a train is moving with velocity 40 kmh^−1 towards east. What is the velocity of the bird noted by a man in the train?
05
Sep
A bird is flying towards north with a velocity 40 kmh^−1 and a train is moving with velocity 40 kmh^−1 towards east. What is the velocity of the bird noted by a man in the train? A bird is flying towards north with a velocity 40 kmh^−1 and a train is moving with velocity 40 [...]