What is the unit for measuring electric current? volt ampere ohm coulomb

Bone-strengthening physical activity done increases bone-mineral content and bone density in youth.

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.

Which of the following is an example of motion in two dimensions?