Three forces act on an object. Which of the following is true in order to keep the object in translational equilibrium? 1. The vector sum of the three forces must equal zero.
II. The magnitude of the three forces must be equal.
III. All three forces must be parallel.

А. I only
B. II only
C. I and III only
D. II and Ill only
E. I, II, and III

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.

How is zig zagging a form of acceleration?

Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?