A pilot 'banks' the wings of his aircraft so as to travel at a speed of 390 km h in a horizontal circular path of radius 4.8 km. At what angle should he bank his aircraft in order to do this?

The speed was not exceeded so it was slow

Year  1936,  lehman predicted that the earths 'inner core' is solid. she observed that the seismic signals during her study were bent and did not pass through instead bouncing back. later it was confirmed that the earth's inner core was solid made up of nickel-iron and had a molten outer core.

A). redi wish i´ve