The acceleration of high-speed aircraft is sometimes expressed in g's (in multiples of the standard acceleration of gravity). determine the upward force, in n, that a 78.03-kg person would experience in an aircraft whose acceleration is 5.05 g's. assume the standard acceleration of gravity is 8.23 m/s^2.

3888.23 N

Explanation:

m = mass of the person = 78.03 kg

g = standard acceleration due to gravity = 8.23 m/s²

a = acceleration of the aircraft = 5.05 g = 5.05 x 8.23 = 41.6 m/s²

F = upward force the person experience

Force equation for the motion of person is given as

F - mg = ma

Inserting the values

F - (78.03)(8.23) = (78.03)(41.6)

F = 3888.23 N

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me

54 degrees incident angle = reflected angle

angle is from normal turned to line of ray