A47 Às shown in the diagram, two trolleys Pand Q of masses 0.50 kg and 0.30 kg respectively are held together on a horizontal track against a spring which is in a state of compression. When the spring is released the trolleys separate freely and P moves to the left with an initial velocity of 6 ms . Calculate: (a) the initial velocity of Q, (b) the initial total kinetic energy of the system. Calculate also the initial velocity of Q iftrolley Pis held still when the spring under the same compressieca as before is released. 050 kg 0.30 kg Spring

A47 Às shown in the diagram, two trolleys Pand Q of masses 0.50 kg and 0.30 kg respectively are held together on a horizontal track against a spring which is in a state of compression. When the spring is released the trolleys separate freely and P moves to the left with an initial velocity of 6 ms . Calculate: (a) the initial velocity of Q, (b) the initial total kinetic energy of the system. Calculate also the initial velocity of Q iftrolley Pis held still when the spring under the same compressieca as before is released. 050 kg 0.30 kg Spring

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter8: Momentum And Collisions

Section: Chapter Questions

Problem 57P: A 5.00-g bullet moving with an initial speed of v = 400 m/s is fired into and passes through a...

See similar textbooks

Similar questions

Check Your Understanding Find x(t) for the mass-spring system in Example 8.11 ii the particle starts from x0=0 at t=0. what is the particle’s initial velocity?
A 5.00-g bullet moving with an initial speed of v = 400 m/s is fired into and passes through a 1.00-kg block as shown in Figure P8.57. The block, initially at rest on a frictionless, horizontal surface, is connected to a spring with force constant 900 N/m. The block moves d = 5.00 cm to the right after impact before being brought to rest by the spring. Find (a) the speed at which the bullet emerges from the block and (b) the amount of initial kinetic energy of the bullet that is converted into internal energy in the bullet-block system during the collision. Figure P8.57
You hold a slingshot at arms length, pull the light elastic band back to your chin, and release it to launch a pebble horizontally with speed 200 cm/s. With the same procedure, you fire a bean with speed 600 cm/s. What is the ratio of the mass of the bean to the mass of the pebble? (a) 19 (b) 13 (c) 1 (d) 3 (e) 9
Repeat the preceding problem for the case when the initial speed of the second object is nonzero.
Can momentum be conserved for a system if there are external forces acting on the system? If so, under what conditions? If not, why not?
A 15.00-g bullet moving with an initialspeed of 300.0 m/s is fired into and passes through a3.00-kg block, as shown in the figure. The block,initially at rest on a frictionless horizontal surface, isconnected to a spring with a spring constant of 1000.0N/m.
A bullet of mass 9 g moving with an initialspeed 300 m/s is fired into and passes througha block of mass 3 kg, as shown in the figure.The block, initially at rest on a frictionless,horizontal surface, is connected to a spring offorce constant 976 N/m. a) If the block moves a distance 3.6 cm to theright after the bullet passed through it, findthe speed v at which the bullet emerges fromthe block.Answer in units of m/s. b) Find the magnitude of the energy lost in thecollision.Answer in units of J. I'm lost on how to answer the a-section of this question and wasn't able to reach the b-section.
Consider a springwith a force constant of 955 N>m. (a) Suppose the mass of theblock is 1.70 kg, but its initial speed can be varied. What initial speedis required to give a maximum spring compression of 4.00 cm?(b) Suppose the initial speed of the block is 1.09 m>s, but its masscan be varied. What mass is required to give a maximum springcompression of 4.00 cm?
A 0.96N ball A, and a 1.2N ball B connected by stretched spring of negligible mass. When both balls are released simultaneously, initial acceleration of ball B is 5m/s^2 westward. What is initial acceleration?
Two blocks of mass mA and mB , resting on a frictionless table, are connected by a stretched spring and then released (Fig. 7–48). (a) Is there a net external force on the system before release? (b) Determine the ratio of their speeds, vA/vB . (c) What is the ratio of their kinetic energies? (d) Describe the motion of the CM of this system. Ignore mass of spring.
An elastic collision takes place between a 0.050-kg toy car moving at 10 × 10² m/h and a 0.014-kg toy car moving at 20 × 109 mm/yr. What is the kinetic energy of the system? Express your answer with the appropriate units.
In the design of a spring cannon,determine the elastic spring constant, with two decimal places, required to launch a ball of 1.7 kg with an initial velocity of 9.3 m/s, from an initial position in which the spring is offset of 28cm in relation to the equilibrium point