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To apply shock loading to an artillery shell, a 20-kg pendulum A is released from a known height and strikes impactor B at a known velocity v0 . Impactor B then strikes the 1-kg artillery shell C . Knowing the coefficient of restitution between all objects is e, determine the mass of B to maximize the impulse applied to the artillery shell C.
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- A block with mass m 1 =1 kg is released from rest on a frictionless track at a distance h1=2.5 m above the top of a table . it then collides elasticly with a block having same mass m2=1Kg that is at rest on the table. (a) What is the velocity of mass m1 just before collision? (b) What is the velocity of mass 2 just after collision?A 1.0 kg mass with a speed of 4.5 m/s strikes a 2.0 kg mass at rest. For a completely inelastic collision, find: (a) The speed of the masses after the collision. (b) The change in kinetic energy. (c) The momentum after the collision.In this problem, an astronaut is landing on the 6.1×1021 kg asteroid traveling at 9830 m/s and detonates a nuclear bomb. The asteroid will break into two pieces of equal mass. One piece will fly off at an angle of 30∘ and speed 9700 m/s. What will be the speed and angle of the second piece?
- An astronaut of mass 65.0 kg is at rest relative to her space vehicle with nothing behind her except the empty,dark, vacuum of space. Another astronaut decides to play a practical joke on her and throws a 10.0 kg anvil(because those are totally used in space) at her with a velocity of 3.00 m/s. How fast do she and the anvil moveonce she catches it? Just to lower your anxiety, there is a way for her to get back to the space vehicleIn Figure, mass m1= 2 kg with a velocity v1i =10 m/s moving in x direction makes elastic collision with m2= 4 kg that is initially at rest.(a) Find the velocity of m1 after the collision.(b) Find the velocity of m2 after the collision.(c) Find the maximum height h to which m2 rises after the collisionA 2-kg pellet travels with velocity 20 m/s to the right when it collides with a 38-kg hanging mass which is initially at rest. After the collision, the pellet remains lodged in the hanging mass, i.e., it is a completely inelastic collision. The hanging mass (+pellet) then swings upward and reaches a maximum height hmax before swinging downward again. Assume that no external forces are present and therefore the momentum of the system is conserved. What is the velocity vf of the hanging mass + pellet immediately after the collision? What is the final kinetic energy Kf of the hanging mass + pellet immediately after the collision? What is the maximum height hmax of the swinging hanging mass + pellet in centimeters?
- An object A moving with velocity v collides with a stationary object B. After the collision, A is moving with velocity 2 1 v and B with velocity 3 2 v. Find the ratio of their masses. If, instead of bouncing apart, the two bodies stuck together after the collision, with what velocity would they then move?Two manned satellites approach one another at a relative velocity of v= 0.150 m/s , intending to dock. The first has a mass of m1= 4.00 × 10^3 kg and the second a mass of m2= 7.50 ×10^3 kg. If the two satellites collide elastically rather than dock, what is the final relative velocity?Ball having mass 9kg and velocity 7.5m/s travels to the east. Impulse given at point O, makes it change direction to north with velocity 8.6 m/s. What is the direction of the given impulse, measured in unit of degrees, if the angle is defined as between the horizontal direction (east) and the impulse?