Advertisements
Advertisements
प्रश्न
Calculate the velocity of a body of mass 0.5 kg, when it has a linear momentum of 5 Ns.
Advertisements
उत्तर
Mass of body = m = 0.5 kg
Linear momentum = P = 5 Ns
Velocity of body = v = ?
We know P = mv
v = `"P"/"m"=5/0.5`
v = 10 ms−1
APPEARS IN
संबंधित प्रश्न
Both the springs shown in the following figure are unstretched. If the block is displaced by a distance x and released, what will be the initial acceleration?
A force \[\vec{F} = \vec{v} \times \vec{A}\] is exerted on a particle in addition to the force of gravity, where \[\vec{v}\] is the velocity of the particle and \[\vec{A}\] 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 without being defelected and with a constant velocity?
In the following figure shows a man of mass 60 kg standing on a light weighing machine kept in a box of mass 30 kg. The box is hanging from a pulley fixed to the ceiling by a light rope, the other end of which is held by the man himself. If the man manages to keep the box at rest, what is the weight recorded on the machine? What force should he exert on the rope to record his correct weight on the machine?
A body of mass 5 kg is moving with velocity 2 m s-1. Calculate its linear momentum.
An electron of mass 9 × 10−31 kg is moving with a linear velocity of 6 × 107 ms−1. Calculate the linear momentum of electron.
State two factors which determine the momentum of a body.
Prove mathematically F = ma
What do you mean by an impulsive force?
A stone is dropped from a cliff 98 m high.
What will be its speed when it strikes the ground?
Figure shows (x, t), (y, t ) diagram of a particle moving in 2-dimensions.
|
|
 (b) |
If the particle has a mass of 500 g, find the force (direction and magnitude) acting on the particle.
