What are the first four resonant frequencies of a 10-cm long tube with (a) both ends open? (b) both ends closed? (c) one end open and one end closed?

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

In a system with only a single force acting upon a body, what is the relationship between the change in kinetic energy and the work done by the force? answers: work is equal to the change in kinetic energy.work depends on the square of the change in potential energy.work is equal to the negative of the change in kinetic energy.work is equal to the square of the change in kinetic energy

Which of the following are forms of phase changes a. freezing b. condensation c. heating d. exchanging