A block of mass 0.550 kg is pushed against a horizontal spring of negligible mass until the spring is compressed a distance x. The force constant of the spring is 450 N/m. When it is released, the block travels along a frictionless, horizontal surface to point , the bottom of a vertical circular track of radius R 1.00 m, and continues to move up the track. The speed of the block at the bottom of the track is vA = 14.0 m/s, and the block experiences an average frictional force of 7.00 N while sliding up the track R Mw wwwww A (a) What is x? (b) If the block were to reach the top of the track, what would be its speed at that point?? m/s (c) Does the block actually reach the top of the track, or does it fall off before reaching the top? Oblock reaches top of the track O block falls off before reaching the top

Question
A block of mass 0.550 kg is pushed against a horizontal spring of negligible mass until the spring is compressed a distance x. The force constant of the spring is 450 N/m. When it is released, the block travels along a frictionless, horizontal surface to point , the bottom
of a vertical circular track of radius R 1.00 m, and continues to move up the track. The speed of the block at the bottom of the track is vA = 14.0 m/s, and the block experiences an average frictional force of 7.00 N while sliding up the track
R
Mw
wwwww
A
(a) What is x?
(b) If the block were to reach the top of the track, what would be its speed at that point??
m/s
(c) Does the block actually reach the top of the track, or does it fall off before reaching the top?
Oblock reaches top of the track
O block falls off before reaching the top

Image Transcription

A block of mass 0.550 kg is pushed against a horizontal spring of negligible mass until the spring is compressed a distance x. The force constant of the spring is 450 N/m. When it is released, the block travels along a frictionless, horizontal surface to point , the bottom of a vertical circular track of radius R 1.00 m, and continues to move up the track. The speed of the block at the bottom of the track is vA = 14.0 m/s, and the block experiences an average frictional force of 7.00 N while sliding up the track R Mw wwwww A (a) What is x? (b) If the block were to reach the top of the track, what would be its speed at that point?? m/s (c) Does the block actually reach the top of the track, or does it fall off before reaching the top? Oblock reaches top of the track O block falls off before reaching the top

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