This speaker is part of Rice's Orwellian public announcement system. Assume it emits a spherical wave at 300 Hz that travel at 343 m/s. Your head is 51.20 m from the speaker. Your friend is walking behind you and his head is 51.835 m from the speaker. What is the difference in phase between the sound waves that you hear and your friends hear in degrees

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.

The two required components for a generator

Which accounts for an increase in the temperature of a gas that is kept a constant volume