Question

block of mass m = 2.00 kg is attached to spring of force constant 5.30 x 102 N/m that lies on horizontal frictionless surface as shown in the figure below. The block pulled to position x, 4.80 cm to the right of equilibrium and released from rest: Find the the work required stretch the spring _ Find the speed the block has as Passes through equilibrium_ mfs 

          block of mass m = 2.00 kg is attached to spring of force constant 5.30 x 102 N/m that lies on horizontal frictionless surface as shown in the figure below. The block pulled to position x, 4.80 cm to the right of equilibrium and released from rest:

Find the the work required stretch the spring _
Find the speed the block has as Passes through equilibrium_ mfs
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University Physics with Modern Physics
University Physics with Modern Physics
Hugh D. Young 14th Edition
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block of mass m = 2.00 kg is attached to spring of force constant 5.30 x 102 N/m that lies on horizontal frictionless surface as shown in the figure below. The block pulled to position x, 4.80 cm to the right of equilibrium and released from rest: Find the the work required stretch the spring _ Find the speed the block has as Passes through equilibrium_ mfs
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Transcript

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00:01 Hello, here a block with a mass of 2 kilograms is attached to the spring with a force constant of 5 .30 times 10 power by 2 newton per meters.
00:13 The block is pulled to the position of 4 .80 centimeters to the right of the equilibrium and released here.
00:23 First we have to find the work required to stretch the string.
00:28 So this work is k times x squared over 2.
00:41 Let's calculate it.
01:02 That's 0 .611 joules...
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