A yo-yo has a rotational inertia of 750 g·cm2 and a mass of 110 g. Its axle radius is 3.3 mm, and its string is 140 cm long. The yo-yo rolls from rest down to the end of the string.
(a) What is the magnitude of its linear acceleration?
cm/s2
(b) How long does it take to reach the end of the string?
s
(c) As it reaches the end of the string, what is its linear
speed?
cm/s
(d) As it reaches the end of the string, what is its translational
kinetic energy?
J
(e) As it reaches the end of the string, what is its rotational
kinetic energy?
J
(f) As it reaches the end of the string, what is its angular
speed?
rad/s
A yo-yo has a rotational inertia of 750 g·cm2 and a mass of 110 g. Its...
A yo-yo has a rotational inertia of 1100 g·cm2 and a mass of 118 g. Its axle radius is 1.99 mm, and its string is 133 cm long. The yo-yo rolls from rest down to the end of the string. (a) What is the magnitude of its linear acceleration? (b) How long does it take to reach the end of the string? As it reaches the end of the string, what are its (c) linear speed, (d) translational kinetic energy,...
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Question 15 Flying Circus of Physics A yo-yo has a rotational inertia of 1150 g.cm2 and a mass of 113 g. Its axle radius is 2.48 mm, and its string is 119 cm long. Suppose that this yo-yo is thrown so that its initial speed down the string is 1.29 m/s. (a) How long does the yo-yo take to reach the end of the string? As it reaches the end of the string, what are its (b) total kinetic energy,...
the moment of inertia given is for the center of mass rather
than the point where the string touches the yoyo
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