The stagnation pressure of air in a mach 0.8 wind tunnel equals 900 kpa. a 1.0-cm diameter sphere position in the wind tunnel has a drag coefficient of 0.95. determine the drag force on the sphere in newtons.

Prompta snowboarder stands at the top of a hill and decides to see if he can increase his speed on his next trip down the slope.describe one thing the snowboarder could do to incrlase his speed on the slope. explain why this would cause his speed toincrease relate one of newton's laws to this problem.

The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?

What is the length x of the side of the triangle below? (hint: use the cosine function)