The horizontal surface on which the block slides is frictionless. The speed of the block before it touches the spring is 6.0 m/s. How fast is the block moving at the instant the spring has been compressed 15 cm? k = 2.0 kN/m
A) 3.7 m/s
B) 4.4 m/s
C) 4.9 m/s
D) 5.4 m/s
E) 14 m/s

Question

The horizontal surface on which the block slides is frictionless. The speed of the block before it touches the spring is 6.0 m/s. How fast is the block moving at the instant the spring has been compressed 15 cm? k = 2.0 kN/m 
A) 3.7 m/s 
B) 4.4 m/s 
C) 4.9 m/s 
D) 5.4 m/s 
E) 14 m/s

Quizplus · Accepted Answer

The Answer of The horizontal surface on which the block slides is frictionless. The speed of the block before it touches the spring is 6.0 m/s. How fast is the block moving at the instant the spring has been compressed 15 cm? k = 2.0 kN/m 
A) 3.7 m/s 
B) 4.4 m/s 
C) 4.9 m/s 
D) 5.4 m/s 
E) 14 m/s

The Horizontal Surface on Which the Block Slides Is Frictionless