CER compare the relationship between force, mass, and acceleration. PLEASE put the right answer and not some random thing. At least 5 sentences long

Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.

Aseries circuit has a battery and resistor and a light bulb with a power of 3.0 w if the current in the circuit is 0.90 a over a period of 20 seconds what is the voltage across a lightbulb

Suppose that the half-life of an element is 1000 years. how many half-lives will it take before one-eighth of the original sample remains? 8 125 12.5 3