If 5.5% of 473.0 mL of vinegar is acetic acid, how many milliliters of acetic acid are there

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.

While you are driving in the lane next to the curb on a multi-lane road the car on your left suddenly moves toward you lane. they are about toy crash into your front fender. you

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.