Part 1
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 [...]
A river 500 m wide is flowing at a rate of 4 m/s. A boat is sailing at a velocity of 10 m/s with respect to the water, in a direction perpendicular to the river. The time taken by the boat to reach the opposite bank
08
Sep
A river 500 m wide is flowing at a rate of 4 m/s. A boat is sailing at a velocity of 10 m/s with respect to the water, in a direction perpendicular to the river. The time taken by the boat to reach the opposite bank A river 500 m wide is flowing at a [...]
A boat is sent across a river with a velocity of 8 kmh^−1. If the resultant velocity of the boat is 10 kmh^−1, the river is flowing with a velocity of
08
Sep
A boat is sent across a river with a velocity of 8 kmh^−1. If the resultant velocity of the boat is 10 kmh^−1, the river is flowing with a velocity of A boat is sent across a river with a velocity of 8 kmh^−1. If the resultant velocity of the boat is 10 kmh^−1 the [...]
A boat is moving with velocity 3i + 4j with respect to ground. The water in the river is moving with velocity – 3i – 4j with respect to ground. The relative velocity of the boat with respect to water is
08
Sep
A boat is moving with velocity 3i + 4j with respect to ground. The water in the river is moving with velocity – 3i – 4j with respect to ground. The relative velocity of the boat with respect to water is Rain is falling vertically downwards with velocity 4 m/s. A man is moving horizontal [...]
A particle A is at origin and particle B is at distance y = − d at t = 0. They move with constant velocity v, A towards positive x-axis and B towards origin. The time at which distance between them is minimum and minimum distance will be
08
Sep
A particle A is at origin and particle B is at distance y = − d at t = 0. They move with constant velocity v, A towards positive x-axis and B towards origin. The time at which distance between them is minimum and minimum distance will be A particle A is at origin and [...]
A ship is travelling due east at a speed of 15 km/h. Find the speed of a boat heading 30 east of north if it appears always due north from the ship.
08
Sep
A ship is travelling due east at a speed of 15 km/h. Find the speed of a boat heading 30 east of north if it appears always due north from the ship. A ship is travelling due east at a speed of 15 km/h. Find the speed of a boat heading 30 east of north [...]