A spy satellite of mass 1000 kg is orbiting the earth at an altitude of 300 km. a) What is its period?
b) What is its orbital speed?

A110-pound person pulls herself up 4.0 feet. this took her 2.5 seconds. how much power was developed? 0.13 hp 0.32 hp 2.0 hp 3.1 hp

Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?

Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending