Kepler used the observations and data of which scientist to formulate his laws of planetary motion? A. Sir Isaac Newton B. Tycho Brahe C. Galileo Galilei D. Nicholas Copernicus

Agymnast dismounts off the uneven bars in a tuck position with a radius of 0.3m (assume she is a solid sphere) and an angular velocity of 2rev/s. during the dismount she stretches out into the straight position, with a length of 1.5m, (assume she is a uniform rod through the center) for her landing. the gymnast has a mass of 50kg. what is her angular velocity in the straight position?

What is the role of the ocular lens?

Write the correct abbreviation for each metric unit