Fine grains of beach sand are assumed to be

spheres of radius 38.9 µm. These grains are

made of silicon dioxide which has a density of

2600 kg/m3

.

What is the mass of each grain of sand?

Answer in units of kg.

... ?

Which feature of the sun is a section that is cooler than its surroundings? Corona Prominence Solar flare Sunspot

The brick wall (of thermal conductivity 0.41 W/m · ◦ C) of a building has dimensions of 5.9 m by 4 m and is 16 cm thick. How much heat flows through the wall in a 17.

What is difference between thermal energy and geothermal energy?

If an object doubles in mass, what happens to its inertia?

g The ball has a mass of 150 grams. If the ball has a positive charge, what initial velocity must it have at the 200-V level for it to reach its maximum height at the 700-V level

What units must be used to express the temperature in the equation for the ideal gas law? explain?

Which region of the Sun is typically about 6,000 C?

How well does the infographic ""Plastics in the Ocean"" present a solution to the problem it describes?

Which of the following would be a good question that could be scientifically investigated? what is the best advice a parent can give a child what is the most appropriate number of dogs per household do cherry popsicles freeze slower than orange

Formulas (equations) : A = 3x and B = 5x + 1 As x increases, does A or B go up faster? if x=0, then A=? if x=1 then B=?