Examine the following graph. a) What is the amplitude of the oscillation?
b) What is the period of the oscillation?​

Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples