What is the main function of a telescope? a. it brings scientists closer to distant obejects b. it magnifies light recieved from distant objects c. it measures the temperature of distant objects d. it measures the wavelengths of incoming light rays?

Explain how the energy of rubber ball is tranforned as it roll down a ramp. give evidence that the energy of the og the ball remains the same at all points on the ramp

Panel bc in fig. p2.76 is semi-circular, with the 3 meter radius and horizontal straight edge through point b. compute (a) the hydrostatic force of the water on the panel, (b) its center of pressure, and (c) the moment of this force about point b. assume atmospheric pressure on the dry side of the panel

Photons with the highest energy have the longest period