Satellite 1 revolves around a planet at the altitude equal to one-half the radius of the planet. the period of revolution of satellite 1 is . what is the period of revolution of an identical satellite 2 that revolves around the same planet at the altitude equal to the radius of the planet?

Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=

Examples of states of consciousness include a. daydreaming b. dreaming during sleep c. hypnosis d. all of the above