Homework Statement
When unfingered, a string on a guitar vibrates at 627 Hz.
What frequency will the string produce when fingered one third of the way from the end, that is only two thirds of the string can vibrate?
Homework EquationsThe Attempt at a Solution
I am not too sure what equations...
Homework Statement
A 80.4 kg hiker uses 212 kcal hr-1 (3 s.f.) of energy whilst hiking. Assuming that 20% of this energy goes into useful work and the other 80% is converted to heat within the body, calculate the temperature change, in units of Kelvin (K), of the hiker's body during a 1.6 hour...