Mr. Hicks stands on top of the roof and drops water balloons at passing students. He misses with one and the balloon bursts on the pavement below, 1.84 seconds later. Whát was the velocity of the balloon just before it hits the pavement? How far did the balloon drop? (show work)

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.

Smallest intensity of a stimulus that you can detect 50 percent of the time is