Part 1
A particle is moving on a circular path of 10 m radius. At any instant of time, its speed is 5 ms^−1 and the speed is increasing at a rate of 2 ms^−1. The magnitude of net acceleration at this instant is then
10
Sep
A particle is moving on a circular path of 10 m radius. At any instant of time, its speed is 5 ms^−1 and the speed is increasing at a rate of 2 ms^−1. The magnitude of net acceleration at this instant is then A particle is moving on a circular path of 10 m radius. [...]
A particle is moving such that its position coordinates (x,y) are (2m,3m) at time t=0, (6m,7m) at time t=2 s and (13m,14m) at time t=5 s. Average velocity vector (V av) from t=0 to t=5 s is:
10
Sep
A particle is moving such that its position coordinates (x,y) are (2m,3m) at time t=0, (6m,7m) at time t=2 s and (13m,14m) at time t=5 s. Average velocity vector (V av) from t=0 to t=5 s is: (6m 14m) at time t=5 s. Average velocity vector (V av) from t=0 to t=5 s is: 3m) [...]
A cubical room is formed with 6 plane mirrors. An insect moves along a diagonal of the floor with uniform speed. The velocity of its image relative to the mirror in two adjacent walls are 20 root 2 cm/s. Then the velocity of image formed by the roof is
10
Sep
A cubical room is formed with 6 plane mirrors. An insect moves along a diagonal of the floor with uniform speed. The velocity of its image relative to the mirror in two adjacent walls are 20 root 2 cm/s. Then the velocity of image formed by the roof is A block is moving down a [...]
A body is travelling to east with a speed of 9m/s and with an acceleration of 2m/s^2 acting towards west on it. The displacement of the body during the 5th second of its motion is
10
Sep
A body is travelling to east with a speed of 9m/s and with an acceleration of 2m/s^2 acting towards west on it. The displacement of the body during the 5th second of its motion is A body is travelling to east with a speed of 9m/s and with an acceleration of 2m/s^2 acting towards west [...]
A stone of mass m1 is dropped from the roof of a tall building at a same instant,another stone of mass m2 is dropped from a window 10 m below the roof. The distance between the two stones during their flight
10
Sep
A stone of mass m1 is dropped from the roof of a tall building at a same instant,another stone of mass m2 is dropped from a window 10 m below the roof. The distance between the two stones during their flight A stone of mass m1 is dropped from the roof of a tall building [...]
A stone is dropped from the height 100 m from balloon which rises up from the ground. Find the velocity of the balloon at that moment if the stone reaches the ground 5 seconds after it was dropped.
10
Sep
A stone is dropped from the height 100 m from balloon which rises up from the ground. Find the velocity of the balloon at that moment if the stone reaches the ground 5 seconds after it was dropped. A stone is dropped from the height 100 m from balloon which rises up from the ground. [...]
A particle is moving along a straight line with constant acceleration. At the end of tenth second its velocity becomes 20m/s and tenth second it travels a distance of 10m. Then the acceleration of the particle will be.
10
Sep
A particle is moving along a straight line with constant acceleration. At the end of tenth second its velocity becomes 20m/s and tenth second it travels a distance of 10m. Then the acceleration of the particle will be. A block is moving down a smooth inclined plane staring from rest at time t=0 let Sn [...]
A particle moving along a straight line with a constant acceleration of −4m/s^2 passes through a point A on the line with a velocity of +8m/s at some moment. Find the distance travelled by the particle in 5 seconds after that moment.
10
Sep
A particle moving along a straight line with a constant acceleration of −4m/s^2 passes through a point A on the line with a velocity of +8m/s at some moment. Find the distance travelled by the particle in 5 seconds after that moment. A block is moving down a smooth inclined plane staring from rest at [...]
The two ends of a train moving with constant acceleration pass a certain point with velocities u and v. The velocity with which the middle point of the train passes the same point is
10
Sep
The two ends of a train moving with constant acceleration pass a certain point with velocities u and v. The velocity with which the middle point of the train passes the same point is The two ends of a train moving with constant acceleration pass a certain point with velocities u and v. The velocity [...]
A car , moving with a speed of 50km/hr, can be stopped by brakes after at least 6m. If the same car is moving at a speed of 100km/hr, the minimum stopping distance is
10
Sep
A car , moving with a speed of 50km/hr, can be stopped by brakes after at least 6m. If the same car is moving at a speed of 100km/hr, the minimum stopping distance is A car can be stopped by brakes after at least 6m. If the same car is moving at a speed of [...]