11 An airplane travels 3,260 kilometers in 4 hours. What is the airplane's average speed?The airplane's average speed is 815 meters per second.

The plum pudding model of the atom state that ?

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?

Amass weighing 24 pounds, attached to the end of a spring, stretches it 4 inches. initially, the mass is released from rest from a point 8 inches below the equilibrium position. find the equation of motion. (use g = 32 ft/s2 for the acceleration due to gravity.)