Water flows in a horizontal pipe of length l. at the midpoint l/2, the pipe diameter changes. on one side of the midpoint, the pipe diameter is 8 cm, and the water is flowing at 0.5 m/s. on the other side, the water is moving at 2 m/s. what is the second diameter of the pipe?

A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?

What happens to an isotope during radioactive decay?

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward