The distance from the sun to the earth is 1.5 x 1011 m. how long does it take for light from the sun to reach the earth? give your answer in seconds

it actually takes 500 seconds if you do the math properly but when converted to min 500 sec is 8 min and 20 sec

since you're a real machine, your ama is always less than your ima, because you can never totally eliminate friction.

real, smaller and upside-down.   so the answer should be b.