what is the period of revolution of a satellite of mass M that orbits the Earth in a circular path of radius 7880km about 1500km above the surface of earth​

What type of light does this light bulb produce most (i.e. at what wavelength does the spectrum have maximum intensity)?

When an object is heated it contracts. a. true b. false

The system is released from rest with the cable taut, and the homogeneous cylinder does not slip on the rough incline. determine the angular acceleration of the cylinder and the minimum coeffi cient s of friction for which the cylinder will not slip.