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
Q8: A body moving along the x axis
Q10: Two identical springs with spring constant 50
Q11: If vectors <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2295/.jpg" alt="If vectors
Q12: The equation below is the solution to
Q15: A constant force of 12 N in
Q18: Planets go around the sun in elliptical
Q37: The force of static friction exerted on
Q40: A force acting on an object moving
Q42: How much work is done by a
Q46: A baseball outfielder throws a baseball of