what is the speed of arrival of the bullet?
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A bullet of mass m = 4g fires towards a wooden block of mass M = 1.996kg and collides completely inelastic. Since the block-projectile system reaches a maximum height of y = 9 cm, what is the speed of arrival of the bullet?
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- A steel ball of mass 0.440 kg is fastened to a cord that is 80.0 cm long and fixed at the far end. The ball is then released when the cord is horizontal, as shown in the figure. At the bottom of its path, the ball strikes a 3.10 kg steel block initially at rest on a frictionless surface. The collision is elastic. Find (a) the speed of the ball and (b) the speed of the block, both just after the collision. (a) Number i (b) Number Unit UnitIn the figure below, particle 1 of mass m, = 0.21 kg slides rightward along an x axis on a frictionless floor with a speed of 2.4 m/s. When it reaches x = 0, it undergoes a one-dimensional elastic collision with stationary particle 2 of mass m2 = 0.40 kg. When particle 2 then reaches a wall at xw = 70 cm, bounces from it with no loss of speed. At what position on the x axis does particle 2 the collide with particle 1? cm 02 x (cm)Situation 7. A ball of mass 0.220 kg that is moving with a speed of collides head-on and elastically with another ball initially at rest. Immediately after the collision, the incoming ball bounces backward with a speed of 3.8m/s. C. Supposed that a ball is dropped from a height of 2.60 m. If the coefficient of restitution between the ball and the ground is 0.60, to what height will it bounce?
- A billiard ball moving at +10.0 m/s along the x-axis collides with a second billiard ball, of identical mass, at rest. After the collision, the first (incoming) ball moves off with a velocity of 7.7 m/s at an angle of 40 degrees above the x-axis. What is the velocity of the second ball after the collision?An inelastic collision occurs between a particle of mass 1.5 kg moving with an initial velocity of v = (−2ˆi − 1.3ˆj + 0.7kˆ) m/s and another particle of mass 0.8 kg that has an initial velocity of v = (5.6ˆi + 0.5ˆj + 4.3kˆ) m/s. What is the final velocity of the particles in unit vector notation?In the figure below, particle 1 of mass m, = 0.26 kg slides rightward along an x axis on a frictionless floor with a speed of 1.8 m/s. When it reaches x = 0, it undergoes a one-dimensional elastic collision with stationary particle 2 of mass m, = 0.40 kg. When particle 2 then reaches a wall at xw = 70 cm, it bounces from it with no loss of speed. At what position on the x axis does particle 2 then collide with particle 1? cm 02 +x (сm)
- A steel ball of mass 0.610 kg is fastened to a cord that is 35.0 cm long and fixed at the far end. The ball is then released when the cord is horizontal, as shown in the figure. At the bottom of its path, the ball strikes a 2.60 kg steel block initially at rest on a frictionless surface. The collision is elastic. Find (a) the speed of the ball and (b) the speed of the block, both just after the collision. (a) Number (b) Number -1.623 100 Unit Unit m/s m/sTwo gliders with mA = 0.50 kg, mB = 0.40 kg, collide elastically on a frictionless surface. Glider A with a spring bumper initially moves to the right with the speed of 3.0 m/s and glider B with a spring bumper initially moves to the left with the speed of 6.0 m/s. What is the final velocity of the glider A after collision?