A person standing on the floor of an elevator drops as coin. The coin reaches the floor of the elevator in a time t1 if the elevator is stationary and in the t2 if it is moving uniformly. Then
Sahay Sir > Question Answers > A person standing on the floor of an elevator drops as coin. The coin reaches the floor of the elevator in a time t1 if the elevator is stationary and in the t2 if it is moving uniformly. Then
A metal sphere is hung by a string fixed to a wail. The sphere is pushed away from the wall by a stick. The forces acting on the sphere are shown in the second diagram. Which of the following statements is wrong :
08
Sep
A metal sphere is hung by a string fixed to a wail. The sphere is pushed away from the wall by a stick. The forces acting on the sphere are shown in the second diagram. Which of the following statements is wrong : A person standing on the floor of an elevator drops as coin. [...]
Three forces start acting simultaneously on a particle moving with velocity V. These forces are represented in magnitude and direction by the three sides of a triangle ABC(as shown). The particle will now move with velocity :
08
Sep
Three forces start acting simultaneously on a particle moving with velocity V. These forces are represented in magnitude and direction by the three sides of a triangle ABC(as shown). The particle will now move with velocity : A person standing on the floor of an elevator drops as coin. The coin reaches the floor of [...]
A smooth wedge A is fitted in a chamber hanging from a fixed ceiling near the earth’s surface. A block B placed at the top of the wedge takes time T to slide down the length of the wedge and the cable supporting the chamber is broken at the same instant, the block will be
08
Sep
A smooth wedge A is fitted in a chamber hanging from a fixed ceiling near the earth’s surface. A block B placed at the top of the wedge takes time T to slide down the length of the wedge and the cable supporting the chamber is broken at the same instant, the block will be [...]
A force F =v ×A is exerted on a particle in addition to the force of gravity, where v is the velocity of the particle and A is a constant vector in the horizontal direction. With what minimum speed a particle of mass m be projected so that it continues to move undeflected with a constant velocity?
08
Sep
A force F =v ×A is exerted on a particle in addition to the force of gravity, where v is the velocity of the particle and A is a constant vector in the horizontal direction. With what minimum speed a particle of mass m be projected so that it continues to move undeflected with a [...]
A lift is moving in upward direction. The total mass of the lift and the passengers is 1600 kg. The variation of the velocity of the lift is as shown in the figure. The tension in the rope at t=8s will be
08
Sep
A lift is moving in upward direction. The total mass of the lift and the passengers is 1600 kg. The variation of the velocity of the lift is as shown in the figure. The tension in the rope at t=8s will be A person standing on the floor of an elevator drops as coin. The [...]
A person standing on the floor of an elevator drops as coin. The coin reaches the floor of the elevator in a time t1 if the elevator is stationary and in the t2 if it is moving uniformly. Then
08
Sep
A person standing on the floor of an elevator drops as coin. The coin reaches the floor of the elevator in a time t1 if the elevator is stationary and in the t2 if it is moving uniformly. Then A person standing on the floor of an elevator drops as coin. The coin reaches the [...]