Mass m=25kg is released from rest from the top of a rough ramp, with coefficient of kinetic friction 0.50 between the block and the incline, of height h 2.5 m and length d=4.0 m. At the bottom of the ramp, the mass slides on a horizontal, frictionless surface until it compresses a spring of spring constant k = 12 N/m. m h d HMMMMM a. What is the speed of the mass at the bottom of the ramp? b. How far does the spring compress? c. How much work does gravity do on the mass when it slides down the ramp? d. How much work does the spring do on the mass during the compression? e. What is the total work done on the mass during the interval from the moment it is released to the moment the spring is fully compressed? Once compressed, the spring then pushes back on the mass. How high up f. the ramp is it rebounded?
Mass m=25kg is released from rest from the top of a rough ramp, with coefficient of kinetic friction 0.50 between the block and the incline, of height h 2.5 m and length d=4.0 m. At the bottom of the ramp, the mass slides on a horizontal, frictionless surface until it compresses a spring of spring constant k = 12 N/m. m h d HMMMMM a. What is the speed of the mass at the bottom of the ramp? b. How far does the spring compress? c. How much work does gravity do on the mass when it slides down the ramp? d. How much work does the spring do on the mass during the compression? e. What is the total work done on the mass during the interval from the moment it is released to the moment the spring is fully compressed? Once compressed, the spring then pushes back on the mass. How high up f. the ramp is it rebounded?
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Transcribed Image Text:Chapter 8 Additional Problems
1.
Mass m=25kg is released from rest from the top of a rough ramp, with
coefficient of kinetic friction 0.50 between the block and the incline, of height h=
2.5 m and length d=4.0 m. At the bottom of the ramp, the mass slides on a
horizontal, frictionless surface until it compresses a spring of spring constant k =
12 N/m.
m
h
d
HMMM
a. What is the speed of the mass at the bottom of the ramp?
b. How far does the spring compress?
c. How much work does gravity do on the mass when it slides down the
ramp?
d. How much work does the spring do on the mass during the compression?
e. What is the total work done on the mass during the interval from the
moment it is released to the moment the spring is fully compressed?
Once compressed, the spring then pushes back on the mass. How high up
the ramp is it rebounded?
f.
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