Suppose you are carrying a ball and running at constant speed, and wish to throw the ball and catch it as it comes back down. neglecting air resistance, should you (a) throw the ball at an angle of about 45° above the horizontal and maintain the same speed, (b) throw the ball straight up in the air and slow down to catch it, or (c) throw the ball straight up in the air and maintain the same speed?
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Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?
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Ascientist wants to test ways to reduce pollution in lake . what is the bestway of doing this
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Atorque acting on an object tends to produce a. equilibrium b. rotation c. linear motion d. velocity e. a center of gravity
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Suppose you are carrying a ball and running at constant speed, and wish to throw the ball and catch...
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