what potential difference is needed to accelerate a he+ ion (charge +e, mass 4u) from rest to a speed of 1.6×106 m/s ?

Which of the following sections on the sat presents the questions in order of difficulty, from easiest to hardest, within each question type? select all that apply. math test writing and language test reading test

Aconstruction crew was made up of 88 men and the rest women. if 40% of the crew were men, how many people were in the crew?

Little's law can be applied to any part of the store, such as a particular department or the checkout lines. the store owner determines that, during business hours, approximately 84 shoppers per hour make a purchase and each of these shoppers spend an average of 5 minutes in the checkout line. at any time during business hours, about how many shoppers, on average, are waiting in the checkout line to make a purchase at the good deals store?