A machine part is vibrating along the x-axis in simple harmonic motion with a period of 0. 27 s and a range (from the maximum in one direction to the maximum in the other) of 3. 0 cm. At time t = 0 it is at its central position and moving in the +x direction. What is its position when t = 55 s?.

My guess “wood” probably be a lot of wood. ahah

Which of the following is an example of an opposing signal? no examplthates given.   i would say, that traffic lights in a city at major intersections direct the flow of traffic in opposite directions so would be an example.also, stop signs on either side of the same street would be an example. at a train crossing, the light for allowing car traffic in opposite directions or not would be another example.