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Chapter Three Review
Another fine (mess) shot at it!
Advanced Physics
A boat need to travel 22o upstream to get where the hot fishing spot is. Where does the boat have to head if it can travel at 17 mph in still water and is facing a 5.0 mph current?
Three forces act on Kim. One is 65 N at 25 degrees N of E, the second is 75 N at 40.0 degrees S of W, and the third is 55 N at 35 degrees S of E. What is the resulting force?
A plane heads 33 degrees N or E at 655 km/hr and encounters a wind of 125 km/hr blowing at 25 degrees N of W. What is the planes resulting velocity?
a) At what angle should a ball be kicked at if the kicker can kick at 24 m/s and wants the ball to go 42 m? b) How far will it go if he kicks it at 45 degrees?c) How long is it in the air?
A certain teacher launches his potato launcher out the physics window at an upward angle of 38 degrees. If the potato leaves the gun at 75 m/s and the gun is 7.5 m above the ground, how far does the potato go?and, how long is it in the air?
Where should a plane head if it can fly at 567 km/hr and wants to go 22 degrees S of E but encounters a wind of 215 km/hr blowing at 15 degrees S of W?
Two wires hold up a large box. How much does each wire support if the box is 445 kg and the wires are 110 degrees apart?
110o
445 kg
How much force does the bar and cable support in holding up the sign? Fc
(hint: Fw is equilibrant)
Fb
48o
cable 2500 N
255 kg
bar
9. Shannon runs off a cliff with a horizontal velocity of 16 km/hr. How far does she land from the base of the cliff if she falls 34 m? (into water!)hi
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