A 20.0-kg block is connected to a 30.0-kg block by a string that passes over a light frictionless pulley. The 30.0-kg block is connected to a spring that has negligible mass and a force constant of 250 N/m, as shown in figure. The spring is unstretched when the system is as shown in the figure, and the incline is frictionless. The 20.0-kg block is pulled 20.0 cm down the incline (so that the 30.0-kg block is 40.0 cm above the floor) and released from rest. Find the speed of each block when the 30.0-kg block is 20.0 cm above the floor (that is, when the spring is unstretched). 20.0 kg 30.0 kg 20.0 cm 40.0°

College Physics
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A 20.0-kg block is connected to a 30.0-kg block by a string
that passes over a light frictionless pulley. The 30.0-kg block
is connected to a spring that has negligible mass and a force
constant of 250 N/m, as shown in figure. The spring is
unstretched when the system is as shown in the figure, and
the incline is frictionless. The 20.0-kg block is pulled 20.0 cm
down the incline (so that the 30.0-kg block is 40.0 cm above
the floor) and released from rest. Find the speed of each
block when the 30.0-kg block is 20.0 cm above the floor (that is, when the spring
is unstretched).
20.0 kg
30.0 kg
20.0 cm
40.0°
Transcribed Image Text:A 20.0-kg block is connected to a 30.0-kg block by a string that passes over a light frictionless pulley. The 30.0-kg block is connected to a spring that has negligible mass and a force constant of 250 N/m, as shown in figure. The spring is unstretched when the system is as shown in the figure, and the incline is frictionless. The 20.0-kg block is pulled 20.0 cm down the incline (so that the 30.0-kg block is 40.0 cm above the floor) and released from rest. Find the speed of each block when the 30.0-kg block is 20.0 cm above the floor (that is, when the spring is unstretched). 20.0 kg 30.0 kg 20.0 cm 40.0°
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