A satellite is in a circular orbit around the earth. The satellite is at a distance of 8,400,000 meters from the earth moving at 1,220 m/s. If the gravitational force acting on the satellite is 745 Newtons, what is the mass of the satellite?

Would corn syrup, molasses, or pancake syrup make a good lubricant in a car engine? explain your answer.

Describe the path of a ray that approaches a mirror parallel to the principal axis.

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.