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You are traveling on an airplane. The velocity of the plane with respect to the air is 180 m/s due east. The velocity of the air with respect to the ground is 49 m/s at an angle of 30° west of due north.
1) What is the speed of the plane with respect to the ground?
2) What is the heading of the plane with respect to the ground? (Let 0° represent due north, 90° represents due east).
3) How far east will the plane travel in 1 hour?
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If both of them are simultaneously plucked at the center, illustrate what is the frequency of the beats that they will produce when vibrating in their fundamental?
The mean (average) of their squares
A block of wood of mass 2 kg is suspended by long, light strings and is at rest. A bullet of mass 40 g, strikes and remains in the block, causing it to swing. The utmost height of the block above its rest position is 51 cm.
what is the lumberjack's speed relative to the shore? Neglect friction between the log and the water.
Consider a region of space with volume 80 mm3. Suppose the energy stored in the electric field of that particular region of space is 35 J. What is the average electric field strength in this region?
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What is the maximum speed the car. A roller-coaster car speeds down a hill past point A where R1 = 8.0 m and then rolls up a hill past point B where R2 = 15.0 m.
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