A 0. 400-kg rock is swung in a circular path and in a vertical plane on a 0. 5-m length string. At the top of the path, the angular speed is 10. 0 rad/s. What is the tension in the string at that point?.

Dis the awnser because they are going from high to low

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.