Assume that the nose of the space shuttle is spherical, with a nose radius of 1 ft. at mach 18, calculate (a) the pressure coefficient at the stagnation point and (b) the pressure coefficient at a distance of 6 in away from the stagnation point measured along the surface.

The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?

Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?

Does the asteroid belt revolve around the sun?