Let's assume you use green light (λ = 550 nm) to look at an electron. what is the uncertainty in determining the electron's velocity? express your answer rounded up to the nearest hundredth.

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

Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)

Complete these sentences. if a roller coaster train has a potential energy of 1,500 j and a kinetic energy of 500 j as it starts to travel downhill, its total energy isj. once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 j, and its potential energy decreases to j. when the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isj.