You measure the current through a 27.7 Ω resistor to be 753 mA . What is the potential difference across the contacts of the resistor?

Aplane flies directly between two cities, a and b, which are separated by . from a to b, the plane flies into a headwind. on the return trip from b to a, the wind velocity is unchanged. the trip from b to a takes less than the trip from a to b. what is the airspeed of the plane, assuming it is the same in both directions

What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?