


07.3 An 8.0 kg mass slides on a frictionless surface with speed 9.0 m/s, and has...
A 10 kg mass slides on a frictionless surface with speed 10 m/s, and has an elastic collision with a 2.0 kg mass. Assume both masses remain along a straight line before and after the collision. (a) If the 10 kg mass is at rest after the collision, what was the initial velocity of the 2.0 kg mass? What was the final velocity of the 2.0 kg mass? (b) If the 2.0 kg mass is at rest after the collision,...
Ablock of mass m,-1.9 kg is held againsta spring ofspring constantk=410 N/m and compressedx frictionless surface towards mass m2 4.3 kg. The two masses collide and mass mi rebounds back towards the spring at a speed of 2.1 m/s, while mass m2 slides up the frictionless hill. 3/ 0.75 m. When released, it is pushed along the a. What is the speed of mass mi right before the collision? b. What is the speed of mass m2 after the collision?...
09. A box of mass 1 Kg slides with initial velocity 6 m/s on a frictionless surface and collides inelastically with an identical rest box. The boxes stick together and move after the collision. What is the change of kinetic energy? A)-9 B) 18)3 D) -15]
09. A box of mass 1 Kg slides with initial velocity 6 m/s on a frictionless surface and collides inelastically with an identical rest box. The boxes stick together and move after the collision. What is the change of kinetic energy? A)-91 B)18] C)3] D) -15] E) 5
(10) A 5kg block is sliding along on a frictionless surface at a speed vA as it passes point A. If e block arrives at point B with a speed of 20 m/s, what was the speed of the block at point A? 10 m 20 m/s : 15 m 4. (20) Two masses slide towards each other across a frictionless surface. After the collision, the two masses do not stick together. The final velocity of the 15 kg block...
Problem 9.41 Part A A 3.0-kg block slides along a frictionless tabletop at 8.0 m/s toward a second block (at rest) of mass 4.5 kg. A coil spring, which obeys Hooke's law and has spring constant k = 720 N/m , is attached to the second block in such a way that it will be compressed when struck by the moving block. (Figure 1) What will be the maximum compression of the spring? Express your answer using two significant figures...
Blocks A (mass 4.50 kg) and B (mass 15.00 kg) move on a frictionless, horizontal surface. Initially, block B is at rest and block A is moving toward it at 1.00 m/s.The blocks are equipped with ideal spring bumpers. The collision is head-on, so all motion before and after the collision is along a straight line. Let +x be thedirection of the initial motion of AFind the maximum energy stored in the spring bumpers and the velocity of each block...
A mass of 1 kg and initial speed 10 m/s slides across a horizontal frictionless surface and hits a spring of force constant 200 N/m. How much will the spring be compressed from its relaxed length when the block will be at rest momentarily?
5. The figures on the right show a disk with radius, a = 0.20 m, and mass, M = 0.80 kg, resting on a frictionless table. One particle with mass, m1-M/4, with velocity, v- 4 m/s, slides along the stable, and collides with the disk at the point shown. A second particle with mass, m2, moving with velocity v2-4v collides with the disk at the point shown. The two masses collide with the disk at the same time, and after...
A 2.9 kg block slides with a speed of 1.1 m/s on a frictionless, horizontal surface until it encounters a spring. (a) If the block compresses the spring 5.2 cm before coming to rest, what is the force constant of the spring? (b) What initial speed should the block have if it is to compress the spring by 1.3 cm?