A source travelling to the right at a speed of 10 m/s emits a sound wave at a frequency of 100 Hz.The sound wave is reflected off a reflector which is travelling to the left at a speed of 5 m/s.What is the frequency of the reflected sound wave detected by a listener back at the source? 
Definitions:
Authority Relations
The dynamics and structure of power and control between individuals or groups, particularly in organizational settings.
Compromising
A conflict resolution strategy where each party involved gives up part of their demands or expectations to reach a mutually acceptable solution.
Political Performance Appraisals
The influence of internal politics on the evaluation of employee performance, where assessments may be biased by personal agendas rather than objective criteria.
Litigation
The process of taking legal action or bringing a lawsuit in court to settle a dispute.
Q1: A scientist is performing a calorimetric test
Q13: A scientist looking at a very small,isolated,system
Q20: A satellite is put into orbit 37,000
Q30: A geostationary satellite is in a circular
Q30: There are two vessels;one contains twice as
Q34: Imagine you are an astronaut who has
Q37: Paul stands exactly halfway between two sound
Q39: If two planets,A and B,have the same
Q39: An engine takes in 600 J of
Q43: An object undergoing simple harmonic motion