Multiple Choice
A 2.0-kg block situated on a frictionless incline is connected to a light spring (k = 100 N/m) ,as shown.The block is released from rest when the spring is unstretched.The pulley is frictionless and has negligible mass.What is the speed of the block when it has moved 0.20 m down the plane? 
A) 76 cm/s
B) 68 cm/s
C) 60 cm/s
D) 82 cm/s
E) 57 cm/s
Correct Answer:
Verified
Correct Answer:
Verified
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