A piece of dried ice is added to 1000cm3 of water at 50oC. If the lowest temperature

obtained is 25oC. Find the mass of the melted ice​

Your target variable is δf, the magnitude of the difference in frequency between the waves emitted from the sonar device and the waves received by the device after reflecting off the whale. write an expression for δf in terms of the relevant frequencies using the subscript notation introduced above.

How can a cyclist's acceleration change even if its velocity remains constant?

Suppose two stars are located in region a of the h-r diagram shown in the figure below. star c appears much dimmer than star y as seen from earth. which star can be inferred to be nearer to earth and how do you know?