Hhtwo cups of the same size are filled to the brim with clear liquids. cup a holds water. cup b contains alcohol. your teacher challenges you to figure out which cup holds water. because of your great science knowledge, you know that all substances have their own special properties. you and your lab partner add an ice cube to each cube. the ice floats in one liquid. you predict it is water. and the ice sinks in the other liquid. you predict that liquid is alcohol. what property of matter did you use to identify the liquids?
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Physics, 22.06.2019 10:30
Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.
Answers: 1
Physics, 22.06.2019 15:10
An important dimensionless parameter concerned with very high-speed flow is the mach number, defined as v/c, where v is the speed of the object such as an airplane or projectile, and c is the speed of sound in the fluid surrounding the object. for a projectile traveling at 1170 mph through air at 50 ˚f and standard atmospheric pressure, what is the value of the mach number?
Answers: 2
Hhtwo cups of the same size are filled to the brim with clear liquids. cup a holds water. cup b cont...
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