A 1/10th scale model of an airplane is tested in a wind tunnel. The reynolds number of the model is the same as that of the full scale airplane in air. The velocity in the wind tunnel is then

Which atom has the greatest mass? A. an atom with 8 protons, 7 neutrons, and 8 electrons B. an atom with 8 protons, 8 neutrons, and 8 electrons C. an atom with 9 protons, 6 neutrons, and 9 electrons D.

Could a volcanoe be thermal energy

Two 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.

A solution is measured to have a pH of 2.3. What is most likely also true about the solution? 1.) It has a low hydroxide ion concentration. 2.) It has a low hydronium ion concentration. 3.) It is neutral. 4.) It has no H2O molecules.

How much heat in joules is required to melt an ice cube with a mass of 18.6 g at 0 °C? The Lf for water is 333 J/g.

A boulder on top of a cliff has a potential energy of 12400J. How high above is the boulder?

If the graph represents speed what is measured on the x and y axes

It is difficult to lift a heavy stone than the lighter one on the earth, why?

The vapor pressure of ethanol at 25 degrees C is 7.83 kPa. Calculate the vapor pressure in atm. Round answer to 3 significant digits.

According to Newton's second law of motion acceleration or an object depends upon the ___ of the object and the ___ Acting on it. I'm confused on what the blanks are. I can't find them.