(ii) a small fly of mass 0.22g is caught in a spider’s web. the web oscillates predominantly with a frequency of 4.0hz. (a) what is the value of the effective spring stiffness constantkfor the web? (b) at what frequency would you expect the web to oscillate if an insect of mass 0.44g were trapped?

The amount of heat required to change liquid water to vapor at its boiling temperature is 2256 kj/kg. the amount of heat required to change liquid mercury to its vapor state at its boiling temperature is 295 kj/kg. one kg of each substance is currently at its boiling point. how will the amount of thermal energy required to change each substance from a liquid to a gas differ?