An object weighs 37.0 N on Earth. If the mass of the Moon is one eighty-first that of Earth and its radius one-fourth that of Earth, the weight of this object on the Moon would be Group of answer choices 7.30 N 37.0 N 28.3 N. 1.77 N. 18.2 N.

Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.