If you wanted to learn more about ancient scientific knowledge, whose life
would you research?
oa. sir isaac newton's
ob. christian doppler's
oc. ibn al-haytham's
od. galileo galilei's

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?

A110-pound person pulls herself up 4.0 feet. this took her 2.5 seconds. how much power was developed? 0.13 hp 0.32 hp 2.0 hp 3.1 hp

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.