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Solve the all parts of following question:
Question: A rock is launched from a catapult on a castle wall 12m above the moat. It is launched at 25 m/s at an angle of 30 degrees above the horizontal.
Part A: Draw a pictorial diagram with the variables used?
Part B: How far from the castle wall did the rock land?
I want to know how to work this out step by step, not just the answer please.
Find the work done by this force on the particle and the final speed of the particle as it moves along a path.
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in doing a load of clothes a clothes dryer uses 19 a of current at 240 v for 39 min. a personal computer in contrast
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A proton (m = 1.672 X 10^-27kg, q= 1.6 X 10^-19 c) is accelerated through an electric potential of 95 volts and enters a region perpendicular to a magnetic field of .62T
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