A vertical pile of mass 150 kg is driven 120 mm into the ground by the blow of a 1100 kg hammer, which falls through 800 mm. assuming the hammer and pile remain in contact, determine the following: i) The velocity of the hammer just before impact ii) The velocity immediately after impact iii) The resistive force of the ground, assuming it to be uniform
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- 13. A space shuttle, while travelling at a speed of 4000 km/h with respect to the earth, disconnects and ejects a module backward, weighing one fifth of the residual part. If the shuttle ejects the disconnected module at a speed of 100 km/h with respect to the state of the shuttle before the ejection, find the final velocity of the shuttle. Solution: Suppose the mass of the shuttle including the module is M. The mass of the module will be M/6. The total linear momentum before disconnection = M (4000 km/h).A body of mass 4.7 kg makes an elastic collision with another body at rest and continues to move in the original direction but with 1/4 of its original speed. (a) What is the mass of the other body? (b) What is the speed of the two-body center of mass if the initial speed of the 4.7 kg body was 4.9 m/s? (a) Number i Units (b) Number i UnitsAn object A has mass mass 625-kg object moving in the +x direction at 6.5 m/s collide elastically head-on with an object B has mass 835.0-kg moving in the -x direction at 4.25 m/s, calculate (a) their velocities after the collision, and (b) the change in momentum of each. (c) what is average force in 3 second mB = = VA = VB = v'A v'B
- An 71-kg jogger is heading due east at a speed of 1.8 m/s. A 67-kg jogger is heading 54° north of east at a speed of 1.8 m/s. Find (a) the magnitude and (b) the direction of the sum of the momenta of the two joggers. Describe the direction as an angle with respect to due east. (a) Number i (b) Number i Lada North Units Units V2 0 V1 EastPlease Answer with clear steps thank you! (31)2) Particle 1 of mass 2.0 g is moving in the positive x-direction at 15 m/s and strikes particle 2 of mass 6.0 g which is at rest. If particle 1 is deflected upward at an angle of 20 degrees and speed 6 m/s after the collision A)What is the velocity of particle 2? B)What is the coefficient of elasticity?
- (c) A 2 kg block is moving at a speed of 10 m/s and makes a perfectly elastic collision with a second block of mass M, which is initially at rest. After the collision, the 2 kg block bounces straight back at 3 m/s. (a) Determine the mass M of the second block. (b) Determine the speed of the second block after the collision.3) Two balls are rolling in the positive x-direction. Ball A has a mass of 1 kg, and rolls with velocity va=4 m/s. Ball B has a mass of 2 kg, and rolls with velocity vb=3 m/s. If those balls were to collide, which of the following outcomes would conserve momentum? Select all that apply. A va= -2 m/s, vb=6 m/s B va= 10 m/s, vb= 0 m/s C va= 6 m/s, vb3 2 m/s D va= 3 m/s, vb= 4 m/s E va= -4 m/s, vb= -3 m/s F va= 3.5 m/s, vb= 3.5 m/sCurrent Attempt in Progress A body of mass 4.7 kg makes an elastic collision with another body at rest and continues to move in the original direction but with 1/6 of its original speed. (a) What is the mass of the other body? (b) What is the speed of the two-body center of mass if the initial speed of the 4.7 kg body was 8.7 m/s? (a) Number (b) Number i Units Units
- 5) The center of mass of a two-particle system is at the origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the location of the second mass of 3.0 kg?[1.] At the intesection of Russell Boulevard and La Rue Road, a yellow sub- compact with mass 1020 kg traveling west on Russell collides with a red pickup truck with mass 1800 kg traveling north on La Rue. The two vehicles stick together as a result of the collision, and the wreckage slides at speed || = 20 m/s in the direction = 30.0° west of north. Calculate the speed of each vehicle before the collision.. The collision occurs during a heavy rainstorm; you can ignore friction between the vehicles and the wet road. y (north) x (east)lease answer the following question(s): 1. Two manned satellites approach one another at a relative speed of 0.29 m/s, intending to dock. The first has a mass of 4.0x 10³ kg, and the second a mass of 7.5x10³ kg. If the two satellites collide elastically rather than dock, what is their final relative velocity? Final relative velocity = ✔m/s Submit Answer see other options - If you don't want to answer the question right now View Forum Activities (0 new of 0) Powered by CogBooks ▬▬ Search fs 10 Answering the question(s) helps us recommend your next activity. f6 99+