2. A particle P moves with constant speed in a circular path about the point (0,ye) with respect to the origin O of a coordinate system that is formed by the coordinate lines OX and OY as indicated in the diagram given below. (The diagram is not to scale.) Y (0, ye) (a) At = 6,37 s (b) At = 3,55 s (c) At = 4,73 s (d) At = 5,81 s (e) Δt = 2,96 s (1) X If the particle is at the origin O at time t = 0 and the particle completes one revolution about the point (0, yc) every 19 s, then after how much time At in seconds (rounded to two decimal places) will the particle first be at the point on the circle such that the line OP makes an angle of 0 = 55° with the coordinate line OX?
2. A particle P moves with constant speed in a circular path about the point (0,ye) with respect to the origin O of a coordinate system that is formed by the coordinate lines OX and OY as indicated in the diagram given below. (The diagram is not to scale.) Y (0, ye) (a) At = 6,37 s (b) At = 3,55 s (c) At = 4,73 s (d) At = 5,81 s (e) Δt = 2,96 s (1) X If the particle is at the origin O at time t = 0 and the particle completes one revolution about the point (0, yc) every 19 s, then after how much time At in seconds (rounded to two decimal places) will the particle first be at the point on the circle such that the line OP makes an angle of 0 = 55° with the coordinate line OX?
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