Given that average speed is distance traveled divided by time, determine the values of m and n when the time it takes a beam of light to get from the sun to the earth (in s) is written in scientific notation. note: the speed of light is approximately 3.0×108 m/s.

How would doubling the made of an object change the objects potential energy

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.

Explain why you think this diagram shows what happened to the carbon in the biodome.