Tell It to the Judge. (a) How fast must you be approaching a red traffic light 1l = 675 nm2 for it to appear yellow 1l = 575 nm2? Express your answer in terms of the speed of light. (b) If you used this as a reason not to get a ticket for running a red light, how much of a fine would you get for speeding? Assume that the fine is $1.00 for each kilometer per hour that your speed exceeds the posted limit of 90 km>h.
Tuesday, September 27, 2016 7 Ideas 1. No Force Law a. an object at rest will stay at rest; b. an object in motion will stay in motion (in a straight line). 2. Net Force Law (Most Famous) - A net force will cause an object to accelerate a. the greater the forece, the greater the acceleration; b. the greater the mass, the less the acceleration 3. For Every ACTION, There is an Opposite and Equal REACTION ________________________________________ Unites of Force ( Weight ) English Force Required to accelerate 1 slug mass 1ft/sec^2 Pound (lb) Metric Force required to accelerate a 1 kilogram mass 1m/sec^2 Newton (N)
