Joseph can jump vertically 0.5 meters from his skateboard when it is at rest. When Joseph is on the skateboard is moving horizontally across a street, should how high he is able to jump change now that he has horizontal movement? Explain your reasoning.

Consider the orbit of a typical comet around the sun, which is marked at five different positions, s, z, u, x , and p. sun a b x z p s u using kepler's second law of planetary motion, rank those positions in order of their relative speeds, with the position for the fastest speed first.

What is the fate of the electrons that interact with a specimen in an electron microscope?

Could someone . i have tried to solve myself but my calculation is off