The Sputnik 1 satellite orbited Earth (mass = 5.98 x 10^24 kg) in a circle of
radius 6.96 x 106 m. What was its
period of orbit in seconds?

Apatient has a history of poor nutrition. he has skin rashes, bleeding gums, and a cut that hasn’t healed in a long time. what vitamin deficiency most likely caused this symptom?

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.