Iron filings sprinkled near a magnet arrange themselves into a pattern that illustrates the
magnetic poles
magnetic field
magnetic domain
magnetic alignment

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.

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

Aboy with a mass 25 kg climbs into a small tree. he sits on a branch that is 2.o m above to the ground. what is his gravitational potential energy above the ground?