Recent content by maithie

hello everyone. can u help me on my homework? here are the questions.. --What physical quantity in a vibration is altered when a speed of sound dies away? --Would you expect the speed of sound in Singapore and Britain to be the same, if each place had the same temperature? Why? thank u...

i think its about the second law of thermodynamics

i can't understand sir... :( what should i answer to this question?

huhuuhuh.. don't know what to do here.. I am not good in physics..

guys. help me to explain this question.. The efficiency of nuclear powerplants used to produce electricity is about 40%. Under what condition this conversation efficiency could be increased to 100%? What difficulty might be encountered?thank you guys!