(b) What analysis model describes the vertical motion of the

protons above the plane? (c) Argue that Equation 4.20

would be applicable to the protons in this situation. (d) Use

Equation 4.20 to write an expression for R in terms of vi

,

E, the charge and mass of the proton, and the angle u. (e)

Find the two possible values of the angle u. (f) Find the time

interval during which the proton is above the plane in Fig-

ure P22.26 for each of the two possible values of u.

12 drag each label to the correct category. decide whether each statement describes mass or weight. measured in newtons measured in kilograms does not change when gravity changes === a gravitational force changes when gravity changes the amount of matter in something mass weight

Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.