5. Block A has mass 1.00 kg, and block B hasmass 3.00 kg. The blocks are forcedtogether, compressing a spring S betweenthem; then the system is released from reston a level, frictionless surface. The spring,which ha negligible mass, is not fastened toeither block and drops to the surface after ithas expanded. Block B acquires a speed of1.20 m/s. (a) What is the final speed ofblock A? Hint: Use conservation ofmomentum. (b) How much potential energywas stored in the compressed spring? Hint:Use conservation of mechanical energy.mĄ = 1.00 kgS3 = 3.00 kgmB

Given values:- Mass of block A,(ma)=1 kg ----(1) Mass of block B,(mb)=3 kg ----(2) Velocity of block…

Block A has mass 1.00 kg, and block B ha nass 3.00 kg. The blocks are forced ogether, compressing a spring S betwee hem; then the system is released from re on a level, frictionless surface. The spring vhich ha negligible mass, is not fastenec either block and drops to the surface afte

Block A has mass 1.00 kg, and block B ha nass 3.00 kg. The blocks are forced ogether, compressing a spring S betwee hem; then the system is released from re on a level, frictionless surface. The spring vhich ha negligible mass, is not fastenec either block and drops to the surface afte

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

Chapter7: Conservation Of Energy

Section: Chapter Questions

Problem 15P: A block of mass m = 2.00 kg is attached to a spring of force constant k = 500 N/m as shown in Figure...

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Concept explainers

Spring Potential Energy

The potential energy is the energy possessed by a body by virtue of its position or the energy held by the object due to its position relative to other objects, its force like stresses, charge, and other factors affecting the particles of the body. The potential energy is the measure of the net work done by or on the body. The spring potential energy is the potential energy stored due to the deformation of an elastic spring and this elasticity is due to the stretched spring. The elasticity is the ability of a solid-state matter to come back to its equilibrium position or original position after any kind of external force is acted on it. It is also known as Elastic potential energy. The potential energy here is caused due to the displacement of the spring from its equilibrium position to another position and this potential energy is equal to the net work done due to the stretching of the spring. It also resembles the same mechanics of the oscillation of a simple pendulum, where due to the external force, the object moves from its equilibrium position to its maximum ends and the periodic motion continues till it comes back to the equilibrium position to rest. 

Question

5. Block A has mass 1.00 kg, and block B has
mass 3.00 kg. The blocks are forced
together, compressing a spring S between
them; then the system is released from rest
on a level, frictionless surface. The spring,
which ha negligible mass, is not fastened to
either block and drops to the surface after it
has expanded. Block B acquires a speed of
1.20 m/s. (a) What is the final speed of
block A? Hint: Use conservation of
momentum. (b) How much potential energy
was stored in the compressed spring? Hint:
Use conservation of mechanical energy.
mĄ = 1.00 kg
S
3 = 3.00 kg
mB

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