A 2kg block situated on a rough incline is connected to a spring of negligible mass having a spring costant of 100N/m.the pulley is frictionless.the block is released from rest when the spring is unstretched.the block moves 20 cm down the incline before coming to rest.

a.find the coefficient of kinectic,suppose the incline is now frictionless.
B.what is the acceletion at its lowest point,is the acceletion constant?
C.the energy transformation that occur during tje descent

1 answer

60cm/s