Physics
If a ball is thrown vertically upwards with 40 m/s, then velocity after two second will be
23
Aug
If a ball is thrown vertically upwards with 40 m/s, then velocity after two second will be If a ball is thrown vertically upwards with 40 m/s then velocity after two second will be August 23, 2020 Category: Chapter 2 - Vectors , Chapter 3 - Motion in a Straight Line , NEET Last 32 [...]
The position x of a particle varies with time as x=at^2 − bt^3. The acceleration of particle is zero at time t equal to
23
Aug
The position x of a particle varies with time as x=at^2 − bt^3. The acceleration of particle is zero at time t equal to The position x of a particle varies with time as x=at^2 − bt^3. The acceleration of particle is zero at time t equal to August 23, 2020 Category: Chapter 2 - [...]
If a car at rest accelerates uniformly to a speed of 144 km/h in 20 s, then it covers a distance of:
23
Aug
If a car at rest accelerates uniformly to a speed of 144 km/h in 20 s, then it covers a distance of: If a car at rest accelerates uniformly to a speed of 144 km/h in 20 s then it covers a distance of: August 23, 2020 Category: Chapter 2 - Vectors , Chapter 3 [...]
A car moving with a speed of 40 km/hr can be stopped after 2 m by applying brakes. If the same car is moving with a speed of 80km/hr, what is the minimum stopping distance? Assume constant retardation.
23
Aug
A car moving with a speed of 40 km/hr can be stopped after 2 m by applying brakes. If the same car is moving with a speed of 80km/hr, what is the minimum stopping distance? Assume constant retardation. A car moving with a speed of 40 km/hr can be stopped after 2 m by applying [...]
A particle moves along a straight line such that its displacement s at any time t is given by s = 3t^3+ 7t^2+ 14t + 5. The acceleration of the particle at t = 1 s is
23
Aug
A particle moves along a straight line such that its displacement s at any time t is given by s = 3t^3+ 7t^2+ 14t + 5. The acceleration of the particle at t = 1 s is A particle moves along a straight line such that its displacement s at any time t is given [...]
A stone is thrown vertically upwards. When stone is at a height half of its maximum height, its speed is 10 m/s; then the maximum height attained by the stone is (g= 10 m/s^2)
23
Aug
A stone is thrown vertically upwards. When stone is at a height half of its maximum height, its speed is 10 m/s; then the maximum height attained by the stone is (g= 10 m/s^2) A stone is thrown vertically upwards. When stone is at a height half of its maximum height its speed is 10 [...]
If a ball is thrown vertically upwards with speed u, the distance covered during the last t second of its ascent is
23
Aug
If a ball is thrown vertically upwards with speed u, the distance covered during the last t second of its ascent is If a ball is thrown vertically upwards with speed u the distance covered during the last t second of its ascent is August 23, 2020 Category: Chapter 2 - Vectors , Chapter 3 [...]
A man throws ball with the same speed vertically upwards one after the other at an interval of 2 seconds. What should be the speed of the throw so that more than two balls are in the sky at any time ? (Given g=9.8m/s2)
23
Aug
A man throws ball with the same speed vertically upwards one after the other at an interval of 2 seconds. What should be the speed of the throw so that more than two balls are in the sky at any time ? (Given g=9.8m/s2) the resultant of A x 0 will be equal to August [...]
A train of 150 m length is going towards north direction at a speed of 10 m/s. A parrot flies a speed of 5 m/s towards south direction parallel to the railway track. The time taken by the parrot to cross the train is
23
Aug
A train of 150 m length is going towards north direction at a speed of 10 m/s. A parrot flies a speed of 5 m/s towards south direction parallel to the railway track. The time taken by the parrot to cross the train is the resultant of A x 0 will be equal to August [...]
The force F on a sphere of radius r moving in a medium with velocity v is given by F=6πηrv . The dimensions of η are
23
Aug
The force F on a sphere of radius r moving in a medium with velocity v is given by F=6πηrv . The dimensions of η are The force F on a sphere of radius r moving in a medium with velocity v is given by F=6πηrv . The dimensions of η are August 23, 2020 [...]