At a constant pressure and a temperature of 280 k, the gas in a cylinder has a volume of 10.0 liters. if the volume of the gas is increased to 20.0 liters, what is the new temperature? 2800 k 28 k 140 k 560 k

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.