С An electric motor can usefully convert 18 J of energy each second into
kinetic energy to raise a mass above the ground. The motor has an input
current of 2.5 A and an operating voltage of 16 V.

You will be galileo perform the experiment to determine if objects with different mass fall at the same, or different, rates in the air and in a vacuum. (refer to the walk-through video to locate the online lab within the online textbook).

Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.

Which lists the organs in the correct order as food passes from the mouth to anus?