A fan blade is rotating at 90 Hz when someone switches the fan to the next lowest setting. As a result, the blade uniformly slows down to 60 Hz in a time of 5.0 s. Through how many revolutions does the fan blade rotate between settings?

Q: 2 DETERMINE THE RESULTANT OF THE FORCES SHOWN. THE COORDINATES ARE IN METERS

A: Given , Forces and angle with x-axis. F1 = 40 N and θ = 900F2 = 50 N and θ = 470F3 = 10 N and θ =…

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Q: a) 90 m/s b) 18 m/s c) 35 m/s d) 4.7 m/s e) 27 m/s

A: work done w=∫F→.ds→work energy theoremwork done by all the forces = change in kinetic energy

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Q: the magnitude of the balance force F3 (in N) is: F-6N 140° F2=10N F3

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A: solution is give as

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Q: the magnitude of the balance force F3 (in N) is: F=8N F=8N * 95° 35° O 5.70 O 6.64 8.80 10.80

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Q: > Find force 0 = 40° d = 10 mm- V = 35 m/s U = 15 m/s D = 20 m

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Q: 33. Consider a net force, Fnet 20i - 40j N acting on a 10 kg object. The objęct's initial velocity…

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Q: The minimum resultant that can be obtained from a 7 N and a 3 N force acting together on a box is

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