If a photon of light leaves the sun than reachers the earth 494 second later. what is the distance from the earth to sun

If you touch a hot light bulb and get burned, that is an example of a. radiation b. convection c. conduction

Current enters a circuit at a: 1.positive terminal 2.negative terminal 3.low potential side 4.resistor

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?