A steady wind of 50m * s ^ - 1 blows against a rigid wall, which is in a plane perpendicular to the Wind direction. Estimate the pressure exerted by the wind on the wall. Density of air is 1.25 kg m ^ - 3 . State any assumption you made in your calculations.

Astone is thrown into a pond. what happens to the amplitude of the resulting waves as they get farther from the point where the stone hit the water? explain.

Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?

Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points