Atourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.1 m/s. the car is a distance d away. the bear is 29 m behind the tourist and running at 6.0 m/s. the tourist reaches the car safely. what is the maximum possible value for d?

Answer quickly (15 points) a comet is approaching earth. describe earth’s gravitational pull as the comet gets closer to it. a. remain constant b. increase c. decrease d. reversed

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In the circuit, the switch s has been open for a long time and r = 125 kohm. it is then suddenly closed. (a) determine the time constant before the switch is closed. s (b) determine the time constant after the switch is closed. _ s (c) let the switch be closed at t = 0. find the current in the switch as a function of time. (use t for time. express your answer in milliamps and seconds.) i(t) =_