If the man pulls the strap with constant acceleration during a short time interval At, calculate the force (in Newtons) that he must exert in spinning up the disc. These are the numbers. Strap's final speed = v = 1.4 m/s. The disc's radius is R = 1 m The small disc's radius is 3 cm The disc's mass is M = 2.3 kg • The short time interval is At = 0.5 s • The disc initially is non-rotating.
If the man pulls the strap with constant acceleration during a short time interval At, calculate the force (in Newtons) that he must exert in spinning up the disc. These are the numbers. Strap's final speed = v = 1.4 m/s. The disc's radius is R = 1 m The small disc's radius is 3 cm The disc's mass is M = 2.3 kg • The short time interval is At = 0.5 s • The disc initially is non-rotating.
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Transcribed Image Text:If the man pulls the strap with constant acceleration during a short time interval At, calculate the
force (in Newtons) that he must exert in spinning up the disc. These are the numbers.
Strap's final speed = v = 1.4 m/s.
The disc's radius is R = 1 m
%3D
The small disc's radius is 3 cm
The disc's mass is M = 2.3 kg
The short time interval is At = 0.5 s
The disc initially is non-rotating.
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