A steel ball of mass 0.514 kg is fastened to a cord 68.7 cm long and is released when the cord is horizontal. 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 steel ball of mass 0.514 kg is fastened to a cord 68.7 cm long and is released when the cord is horizontal. 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.

Classical Dynamics of Particles and Systems

5th Edition

ISBN:9780534408961

Author:Stephen T. Thornton, Jerry B. Marion

Publisher:Stephen T. Thornton, Jerry B. Marion

Chapter9: Dynamics Of A System Of Particles

Section: Chapter Questions

Problem 9.27P

See similar textbooks

Similar questions

Rain is falling at the rate of 2.5 cm/h and accumulates in a pan. If the raindrops hit at 8.0 m/s, estimate the force on the bottom of a pan due to the impacting rain which we assume does not rebound. Water has a mass of 1.00 x 103 kg per m3
Does g = 9.8 or 9.81 Or is it both
A 85-kg man starts climbing a ladder that leans against a wall as shown in the diagram. If the ladder is 5 m long and weighs 10 kg, determine the normal reaction at the horizontal surface (in N) if the coefficient of friction is 0.25 at the top vertical surface and 0.4 at the bottom horizontal surface.
If the cross product of two vectors vanishes, what can you say about their directions?
A cardboard sheet is cut in the shape of a triangle, with vertices at (0,0), (20,0), and (3,4) units. The thickness of the sheet is uniform. What is the x-coordinate of its center of mass?
a shape is on an x-y axis, beginning at x = 0. The bottom of the shape is 25 cm long and it reaches a height of 20 cm. The shape weights 450 g. The shape has a triangular form, like a wedge. If shape has a uniform density and a uniform width in the z-direction, find the x-component of the center-of-mass.
Two objects slide on a smooth surface, they collide and stick together. There is no external force acting on them. After the collision, the two objects move together. The final kinetic energy is a) greater than the initial kinetic energy b) less than the initial kinetic energy c) equal to the initial kinetic energy
The script for an action movie calls for a small race car (of mass 1500 kg and length 3.0 m) to accelerate along a flattop boat (of mass 4000 kg and length 14 m), from one end of the boat to the other, where the car will then jump the gap between the boat and a somewhat lower dock. You are the technical advisor for the movie. The boat will initially touch the dock, as in Fig. 9-81; the boat can slide through the water without significant resistance; both the car and the boat can be approximated as uniform in their mass distribution. Determine what the width of the gap will be just as the car is about to make the jump.
In an elastic collision between two objects A and B, it is always true that: a) The energy of the system is greater before the collision than after it. b) The energy of the system is the same before the collision as after it. c) The speed of the objects is the same before and after the collision. d) The energy of the system is lower before the collision than after it.
A cube with the dimensions bxbxb and a mass, m, lies on a horizontal surface. The cube is subjected to the force of gravity and the friction coefficient between the cube and the surface, mu. If the cube is sliding without rotation, and the initial impulse, F, is given, use the work-energy principle to determine the distance the cube travels.
Ignoring the resistances including air what will be the speed of the projectile when it touches the ground? The projectile has mass of 12 grams when fired from ground level with initial velocity of 1500 m/s2. with drawing
G=9.8m/S2