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Problem: A watermelon seed has the following coordinates: x = -3.2 m, y = 6.9 m, and z = 0 m.
Part A: What is an angle relative to the positive direction of the x axis?
I need help to solve the above problem and put the angles in the range (-180°, 180°].
A light board, 10 m long, is supported by two sawhorses, one at one edge of the board and a second at the midpoint. What is the force exerted by the sawhorse at the end of the board
A beam of light is sent directly down onto a glass plate (n = 1.5) and a plastic plate (n = 1.2) that form a thin wedge of air (see the drawing). An observer looking down through the glass plate sees the fringe pattern shown in the lower part of the ..
A 9.8 kg board is wedged into a corner and held by a spring at a 50.0° angle, Find the amount by which the spring is stretched from its unstrained length
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A 13 kg bucket of water of is suspended by a rope wrapped around a windlass that is a solid cylinder 0.400 m in diameter with mass 14.0 kg. The cylinder is pivoted on a frictionless axle through its center.
Two boats are heading away from shore. Boat 1 heads due north at aspeed of 3.2 m/s relative to theshore. Relative to boat 1, boat 2 is moving 30° north of east at a speed of 1.8 m/s.
A rocket ship is 80m in length when measured before leaving the launching pad. what would its velocity be if a ground observer measured its length as 60m while it is in flight
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