the acceleration due to gravity on earth is 32 ft/sec2. a tomato is dropped from 100 feet above the ground. give units in your answers.

Realy. exactly what poster?

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.