The change in elevation from one contour line to the next is called the

Why did the wright brothers construct their own wind tunnel?

A 60kg skateboarder starts up a 20° slope at 5m/s then falls and slides up the hill on his knee pads. The coefficient of kinetic friction between his knee pads and the ramp is 0.30. How far does he slide befor stopping?

How much energy is produced when the sun converts 1kg of mass into energy?

In the exothermic reaction below, how would adding heat affect the equilibrium of the system? A + B ⇄ C + D + energy Shift it to the left toward the reactants. Shift it to the right toward the products. Equally create more products and reactants.

O determine whether the strength of people's self-esteem is related to their income levels, researchers would most likely make use of

What does it mean when the mark on the ramrod disappears into the barrel of the muzzleloader?

Explain the relationship between speed, velocity and acceleration

What are the characteristics of prokaryotes? A.) A prokaryote lacks a well-defined nucleus. B.) A prokaryote cannot perform basic life functions. C.) A prokaryote lacks cell organelles. D.) A prokaryote is larger than a eukaryote.

In a perfectly inelastic collision, the total momentum of the system ___ (i) ___ constant, while the total kinetic energy of the system___ (ii) ___constant.

What factors determine power