A rifle is sighted-in so that a bullet hits the bull’s-eye of a target 1000 m away on the same level. (a) If the same sighting is used to shoot a target uphill, should one aim above, below, or right at the bull’s- eye? (b) How about shooting downhill?
Answer to relevant QuestionsSitting in a parked bus, you suddenly look up at a bus moving alongside and it appears that you are moving. Why is this? How about with both buses moving in opposite directions? Are any of the vectors in Fig. 3.23 equal? A baseball player hits a home run into the right field upper deck. The ball lands in a row that is 135 m horizontally from home plate and 25.0 m above the playing field. An avid fan measures its time of flight to be 4.10 s. ...For each of the given vectors, give a vector that, when added to it, yields a null vector (a vector with a magnitude of zero). Express the vector in the form other than that in which it is given (component or magnitude– ...Given two vectors A-bar and B-bar with magnitudes A and B, respectively, you can subtract B-bar from A-bar to get a third vector C-bar = A-bar - B-bar. If the magnitude of C-bar is equal to C = A + B, what is the relative ...
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