Plz if the mass of an object is 44 kilograms and its velocity is 10 meters per second east, how much kinetic energy does it have? a. 0.44 joules b. 2,200 joules c. 220 joules d. 4,400 joules e. 440 joules

Which statement best explains why an object weight less on mercury than it does on earth

Consider a double atwood machine constructed as follows: a mass 4m is suspended from a string that passes over a massless pulley on frictionless bearings. the other end of this string supports a second similar pulley, over which passes a second string supporting a mass of 3m at one end and m at the other. using two suitable generalized coordinates, set up the lagrangian and use the lagrange equations to find the acceleration of the mass 4m when the system is released. explain why the top pulley rotates even though it carries equal weights on each side.

What was the first instrument to ever record an earthquake?