Part 1
A 10 kg object collides with a stationary 5 kg object and after collision they stick together and move forward with a velocity of 4 ms. What is the velocity with which the 10 kg object hits the second one ?
28
Oct
A 10 kg object collides with a stationary 5 kg object and after collision they stick together and move forward with a velocity of 4 ms. What is the velocity with which the 10 kg object hits the second one ? The elastic energy stored in the spring in the equilibrium position of block is [...]
A particle of mass 0.1 kg moving with an initial speed v collides with another particle of same mass kept at rest. If after collision the total energy becomes 0.2 J, then:
28
Oct
A particle of mass 0.1 kg moving with an initial speed v collides with another particle of same mass kept at rest. If after collision the total energy becomes 0.2 J, then: A particle of mass 0.1 kg moving with an initial speed v collides with another particle of same mass kept at rest. If [...]
A light particle moving horizontally with a speed of 12 m/s strikes a very heavy block moving in the same direction at 10 m/s. The collision is one dimensional and elastic. After the collision, the particle will be
28
Oct
A light particle moving horizontally with a speed of 12 m/s strikes a very heavy block moving in the same direction at 10 m/s. The collision is one dimensional and elastic. After the collision, the particle will be A light particle moving horizontally with a speed of 12 m/s strikes a very heavy block moving [...]
A ball is dropped on to a horizontal plate from a height h = 9 m above it. If the coefficient of restitution is e = 1/2, the total distance travelled before the ball comes to rest is
28
Oct
A ball is dropped on to a horizontal plate from a height h = 9 m above it. If the coefficient of restitution is e = 1/2, the total distance travelled before the ball comes to rest is A ball is dropped on to a horizontal plate from a height h = 9 m above [...]
A ball of mass m moving at speed v makes a head on collision with an identical ball at rest. The kinetic energy of the balls is three fourth of the original kinetic energy. The coefficient of restitution is.
28
Oct
A ball of mass m moving at speed v makes a head on collision with an identical ball at rest. The kinetic energy of the balls is three fourth of the original kinetic energy. The coefficient of restitution is. A sphere of mass m moving with a constant velocity u hits another stationary sphere of [...]
Particle A makes perfectly elastic collision with another particle B at rest. They fly apart in opposite direction with equal speeds. the ratio of their masses are mA/mB is
28
Oct
Particle A makes perfectly elastic collision with another particle B at rest. They fly apart in opposite direction with equal speeds. the ratio of their masses are mA/mB is Particle A makes perfectly elastic collision with another particle B at rest. They fly apart in opposite direction with equal speeds. the ratio of their masses [...]
A body of mass m1 moving with uniform velocity 40 ms^−1 collides with another body of mass m^2 at rest, then the two together begin to move with uniform velocity of 30 ms^−1 . The ratio of their masses (i.e., m2/m1 )
28
Oct
A body of mass m1 moving with uniform velocity 40 ms^−1 collides with another body of mass m^2 at rest, then the two together begin to move with uniform velocity of 30 ms^−1 . The ratio of their masses (i.e., m2/m1 ) A body of mass m1 moving with uniform velocity 40 ms^−1 collides with [...]
A particle falls from a height h on a fixed horizontal plate and rebounds. If e is the coefficient of restitution, the total distance travelled by the particle before it stops rebounding is
28
Oct
A particle falls from a height h on a fixed horizontal plate and rebounds. If e is the coefficient of restitution, the total distance travelled by the particle before it stops rebounding is A particle falls from a height h on a fixed horizontal plate and rebounds. If e is the coefficient of restitution the [...]
Two masses ma and mb moving with velocities va and vb in opposite direction collide elastically and after the collision ma and mb move with velocities vb and va respectively. Then the ratio ma /mb is :
28
Oct
Two masses ma and mb moving with velocities va and vb in opposite direction collide elastically and after the collision ma and mb move with velocities vb and va respectively. Then the ratio ma /mb is : A sphere of mass m moving with a constant velocity u hits another stationary sphere of the same [...]
A sphere of mass m moving with a constant velocity u hits another stationary sphere of the same mass and of coefficient of restitution (e). The ratio of velocities of the two spheres, after collision will be
28
Oct
A sphere of mass m moving with a constant velocity u hits another stationary sphere of the same mass and of coefficient of restitution (e). The ratio of velocities of the two spheres, after collision will be A sphere of mass m moving with a constant velocity u hits another stationary sphere of the same [...]