How long does it take to make one revolution around the circle in seconds? Use g = 10 m/s/s. There is a picture.

What is the internal energy of 4.00 mol of diatomic nitrogen gas n2 at 455k

How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.

During takeoff, the sound intensity level of a jet engine is 170db at a distance of 34 m. what's the sound intensity level at a distance of 1.0 km?