If a 1 kilogram mass is hanging on the end of a piece of yarn, how would you determine the frequency of the wave on the string when the yarn is plucked?

Why do electron microscopes have higher resolving power than light microscopes?

Ablock of mass 1.5 kg slides down an inclined plane that has an angle of 15. if the inclined plane has no friction and the block starts at a height of 3 m, how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is g = 9.8 m/s2. a. 6.8 j b. 50.9 j c. 0 j d. 44.1 j

Which composition of water moves to begin a deepwater current?