An ideal gas occupies 0.4 m^3 at an absolute pressure of 500 kPa. What is the absolute pressure if the volume changes to 0.9 m^3 and the temperature remains constant?

a

explanation:

no diagram was provided, but i'm guessing it's the one i've attached to my answer.

here, a mechanical force turns the rod.   this generates an electric current in the coil, which powers the bulb.

b. lifting dumbbell weight at 20-degree angle from the body after a 45-degree angle

the answer should be in the picture.