Which of the following is NOT true concerning warm-up exercises?
A. They should be low-intensity.
B. They should get progressively more intense.
They should last 20 to 30 minutes.
D. They should increase heart rate, breathing, and temperature.
Please select the best answer from the choices provided.
ОА

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.

Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal

Which type of energy is transferred by convection currents?