A geyser shoots water straight up into the air with a velocity of 28.0 m/s. How high does the water go before it starts coming back down? (Hint: PEinitial = 0,
KEfinal = 0.)
A. 40.0 m
B. 1.43 m
C. 80.0 m
D. 23.4 m

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.

If a negatively charged particle is placed at rest in an electric potential field that increases in the positive x-direction, what will the particle do? a. accelerate in the positive x-direction b. remain at rest c. accelerate in the negative x-direction

Aforce of 8,480 n is applied to a cart to accelerate it at a rate of 26.5 m/s2. what is the mass of the cart?