When you lift a ball to a height of “100 centimeters” of the floor, what kind of potiential energy did you give on the ball

Plss anybody know how to do this? ? i need the answers from a through d

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.

Aphysical change is a change in the size, shape,, or stafe of matter true or false