Hello! could you help me with this question? I don't really know a lot about it .
Explain why people who have the lens of their eye removed because of cataracts are able to see low-frequency ultraviolet.

Thank you

Two masses are connected by a rope that hangs over a pulley as shown below. the pulley is a uniform cylinder of radius 푅=0.381meters and mass 푀=3.1푘푔. initially 푚"is on the ground and 푚#rests 2.5 meters above the ground. if the system is released, use conservation of energy to determine the speed of 푚#just before it strikes the ground. assume the pulley bearing is frictionless.

Which radioisotope is used in dating geological formations?

How does the motion of an airplane compare to the motion of a rocket ?