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

Question

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

Quizplus · Accepted Answer

The Answer of 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

A 20-Kg Block Situated on a Frictionless Incline Is Connected to to a Light