A100-kg person sits on a 5-kg bicycle. the total weight is borne equally by the two wheels of the bicycle. the tires are 2.0 cm wide and are inflated to a gauge pressure of 8.0 × 105 pa. what length of each tire is in contact with the ground?

Which graph represents motion with an object with positive velocity that is located at a position of 3 meters at a time of 0 seconds? a) a b) bb eliminate c) c d) d

A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped

The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?