Water is flowing at 2.3 m/s in a circular pipe with a cross sectional area of 10.2 cm2. If the cross sectional area of the pipe decreases to 4.6 cm2, what is the velocity of the water at that section in (m/s)?

Assuming weightless pulleys and 100% efficiency, what is the minimum input force required to lift a 120 n weight using a single fixed pulley?

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

If 21.2 kcals of energy is released by this reaction, how many kj does the reaction release? (1 cal 4.184 j)