Chapter 3 – Motion in One Dimension
A train of 150m length is going toward north direction at a speed of 10ms-1. A parrot flies at a speed of 5ms-1 toward south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to.
10
Sep
A train of 150m length is going toward north direction at a speed of 10ms-1. A parrot flies at a speed of 5ms-1 toward south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to. A person walks up a stationary escalator in t1 . If [...]
A person walks up a stationary escalator in t1 . If he remains stationary on the escalator. Then it can take him up in t2. How much time would it take him to walk up her moving escalator ?
09
Sep
A person walks up a stationary escalator in t1 . If he remains stationary on the escalator. Then it can take him up in t2. How much time would it take him to walk up her moving escalator ? A person walks up a stationary escalator in t1 . If he remains stationary on the [...]
A 130 m long train is moving in up direction with speed 72 km/hr. Another train of 120 m long is moving in down direction with speed of 108 km/hr . The time in which second train crosses the first train will be
09
Sep
A 130 m long train is moving in up direction with speed 72 km/hr. Another train of 120 m long is moving in down direction with speed of 108 km/hr . The time in which second train crosses the first train will be A stone mass M thrown straight up with initial velocity V reaches [...]
A ball is dropped from the top of a tower. In the last second of its fall, the ball covers a distance equal to 9\25 of the height of the tower. If g=10m\s², find the height of the tower is…
09
Sep
A ball is dropped from the top of a tower. In the last second of its fall, the ball covers a distance equal to 9\25 of the height of the tower. If g=10m\s², find the height of the tower is… A ball is dropped from the top of a tower. In the last second of [...]
A particle is projected vertically upward with speed 20m/s .Find the time after particle is at a height 15 m above the ground.(g=10m/s^(2))
09
Sep
A particle is projected vertically upward with speed 20m/s .Find the time after particle is at a height 15 m above the ground.(g=10m/s^(2)) A particle is projected vertically upward with speed 20m/s .Find the time after particle is at a height 15 m above the ground.(g=10m/s^(2)) September 9, 2020 Category: Chapter 3 - Motion in [...]
A stone is allowed to fall from the top of a tower and covers half the height of the tower in the last second of its journey. Find time taken by the stone to reach the foot of the tower .
09
Sep
A stone is allowed to fall from the top of a tower and covers half the height of the tower in the last second of its journey. Find time taken by the stone to reach the foot of the tower . A stone is allowed to fall from the top of a tower and covers [...]
A stone mass M thrown straight up with initial velocity V reaches a height H. A second stone of mass 2M is thrown straight up with an initial velocity 2V. will be its height
09
Sep
A stone mass M thrown straight up with initial velocity V reaches a height H. A second stone of mass 2M is thrown straight up with an initial velocity 2V. will be its height A stone mass M thrown straight up with initial velocity V reaches a height H. A second stone of mass 2M [...]
An object is dropped from rest. if it falls a distance s1 during the first second and an additional distance s2 in the next second, the ratio s2/s1 is
09
Sep
An object is dropped from rest. if it falls a distance s1 during the first second and an additional distance s2 in the next second, the ratio s2/s1 is An object is dropped from rest. if it falls a distance s1 during the first second and an additional distance s2 in the next second the [...]
The velocity of the bullet reduces by (1/20)th of its initial velocity after passing through a plank. The maximum number of planks it can cross is
09
Sep
The velocity of the bullet reduces by (1/20)th of its initial velocity after passing through a plank. The maximum number of planks it can cross is The velocity of the bullet reduces by (1/20)th of its initial velocity after passing through a plank. The maximum number of planks it can cross is September 9, 2020 [...]
A body is fired vertically upward. At half the maximum height , the velocity of the body is 10 m/s. The maximum height reached by the body is
09
Sep
A body is fired vertically upward. At half the maximum height , the velocity of the body is 10 m/s. The maximum height reached by the body is A body is fired vertically upward. At half the maximum height the velocity of the body is 10 m/s. The maximum height reached by the body is [...]