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Ocean waves are traveling to the east at 4.9 meter per second with a distance of 21 meter between crests.
(a) Find with what frequency do the waves hit the front of a boat when the boat is at anchor?
Hz
(b) Find with what frequency do the waves hit the front of a boat when the boat is moving westward at 1.2 m/s?
The Higgs boson was recently observed in experiment. Consider two strategies for Higgs production in a high-energy particle accelerator through collisions of proton and antiproton: proton + antiproton -> Higgs.
A small mass is stuck to a point on the rim of a rolling wheel(radius of r) .. which traces out a path called a cycloid. The position vector of this point is given by r(theta)= r(theta - sin theta)i +r(1-cos theta)j. For a wheel rolling with constant..
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a rocket is fired at a speed of 75.0 ms from ground level at an angle of 60.9deg above the horizontal. the rocket is
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