A small block slides down a frictionless track whose shape is described by y = (x^2) /d for x<0 and by y = -(x^2)/d for x>0. The value of d is 2.58 m, and x and y are measured in meters as usual. Suppose the block starts from rest on the track, at x = -2.51 m. What will the block s speed be when it reaches x = 0? 1.47 m/s 9.69 m/s 6.92 m/s 4.89 m/s
A small block slides down a frictionless track whose shape is described by y = (x^2) /d for x<0 and by y = -(x^2)/d for x>0. The value of d is 2.58 m, and x and y are measured in meters as usual. Suppose the block starts from rest on the track, at x = -2.51 m. What will the block s speed be when it reaches x = 0? 1.47 m/s 9.69 m/s 6.92 m/s 4.89 m/s
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A small block slides down a frictionless track whose shape is described by y = (x^2) /d for x<0 and by y = -(x^2)/d for x>0. The value of d is 2.58 m, and x and y are measured in meters as usual. Suppose the block starts from rest on the track, at x = -2.51 m. What will the block s speed be when it reaches x = 0?
1.47 m/s
9.69 m/s
6.92 m/s
4.89 m/s
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