A child rolls a bowling ball of mass 4.10 kg up a long ramp. The bowling ball can be considered a solid sphere. When the child pushes up the bowling ball at the bottom of the ramp, it has a speed of 12.8 m/s . |
Part A Part complete Find the maximum vertical height increase of the bowling ball as it rolls up the ramp. Assume that the bowling ball rolls without slipping. |
here,
mass , m = 4.1 kg
initial speed of the ball at the bottom , u = 12.8 m/s
let the maximum vertical height increase be h
using conservation of mechanical energy
0.5 * m * u^2 + 0.5 * I * w^2 = m * g * h
0.5 * m * u^2 + 0.5 * (0.4 * m * r^2) * (u/r)^2 = m * g * h
0.7 * u^2 = g * h
0.7 * 12.8^2 = 9.81 * h
solving for h
h= 11.7 m
the maximum vertical height increase is 11.7 m
A child rolls a bowling ball of mass 4.10 kg up a long ramp. The bowling ball...
A child rolls a bowling ball of mass 4.10 kg up a long ramp. The bowling ball can be considered a solid sphere. When the child pushes up the bowling ball at the bottom of the ramp, it has a speed of 12.8 m/s . Part A Part complete Find the maximum vertical height increase of the bowling ball as it rolls up the ramp. Assume that the bowling ball rolls without slipping.
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