Which of the following is not a major characteristic used to identify minerals?

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?

Two masses are connected by a rope that hangs over a pulley as shown below. the pulley is a uniform cylinder of radius 푅=0.381meters and mass 푀=3.1푘푔. initially 푚"is on the ground and 푚#rests 2.5 meters above the ground. if the system is released, use conservation of energy to determine the speed of 푚#just before it strikes the ground. assume the pulley bearing is frictionless.