What do you need to know to be able to determine how far a projectile travels horizontally?

In positive numbers less than 1, the zeros between the decimal point and non zero are significant

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.

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?