When a rod is heated and prevented from expanding then the stress developed is independent of
a. Material of rod
b. Rise in temperature
c. A Length of rod
d. All of above
Оа
Oь
Ос
Od​

Aquarterback pedals 3.3meters southward and then run 5.7meters northward. whats the distance ? and whats the displacement?

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

Electric field of the earth. the earth has a net electric charge that causes a field at points near its surface equal to 150 n> c and directed in toward the center of the earth. (a) what magnitude and sign of charge would a 60-kg human have to acquire to overcome his or her weight by the force exerted by the earth’s electric field? (b) what would be the force of repulsion between two people each with the charge calculated in part (a) and separated by a distance of 100 m? is use of the earth’s electric field a feasible means of flight? why or why not?