The period of oscillation for a pendulum on Earth is 9 seconds. If the given pendulum oscillates with a period of 22.1 secondson the surface of the Moon, what is the acceleration due to gravity on the Moon's surface

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.

In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?