PHY2053 Physics 1, Test 2 Practice Problems - In the...

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In the figure, a mass of 37.98 kg is attached to a light string that is wrapped around a cylindrical spool ofradius 10 cm and moment of inertiaThe spool is suspended from the ceiling, and the mass isthen released from rest a distance 4.00 m above the floor. How long does it take to reach the floor?A) 4.32 sB) 3.07 sC) 0.950 sD) 2.93 sE) 6.09 s
In the figure, a ladder of weight 200 N and length 10 meters leans against a smooth wall (no friction onwall). A firefighter of weight 600 N climbs a distance x up the ladder. The coefficient of friction betweenthe ladder and the floor is 0.5. What is the maximum value of x if the ladder is not to slip?
Suppose you are sitting on the outer edge of a rotating device that is 18 m in diameter. If the device
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Chapter 10 / Exercise 55
College Physics
Serway/Vuille
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College Physics
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Chapter 10 / Exercise 55
College Physics
Serway/Vuille
Expert Verified

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