In the figure, a block of mass m = 12 kg is released from rest on a frictionless incline of angle 0 = 34°. Below the block is a spring that can be compressed 3.3 cm by a force of 150 N. The block momentarily stops when it compresses the spring by 5.0 cm. (a) How far does the block move down the incline from its rest position to this stopping point? (b) What is the speed of the block just as it touches the spring? 8
In the figure, a block of mass m = 12 kg is released from rest on a frictionless incline of angle 0 = 34°. Below the block is a spring that can be compressed 3.3 cm by a force of 150 N. The block momentarily stops when it compresses the spring by 5.0 cm. (a) How far does the block move down the incline from its rest position to this stopping point? (b) What is the speed of the block just as it touches the spring? 8
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Transcribed Image Text:In the figure, a block of mass m = 12 kg is released from rest on a frictionless incline of angle 0 = 34°. Below the block is a spring that can
be compressed 3.3 cm by a force of 150 N. The block momentarily stops when it compresses the spring by 5.0 cm. (a) How far does the
block move down the incline from its rest position to this stopping point? (b) What is the speed of the block just as it touches the
spring?
(a) Number
(b) Number
i
IN
m
Units
Units
8
m
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Step 1: Know the concept behind:
VIEWStep 2: Find the spring constant:
VIEWStep 3: Find the expression for the initial and the final energy of the system
VIEWStep 4: Calculate the distance covered by the mass from its starting position to its final position:
VIEWStep 5: Calculate the speed of the mass when it just comes in contact with the spring:
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