Asmall ball is attached to one end of a massless, rigid rod. the ball and the rod revolve in a horizontal circle with the other end of the rod at the center. the path of the ball has a constant linear speed. the force exerted by the rod is 0.5 n. the mass of the ball is 3kg. what is the centripetal acceleration of the ball, in m/s2?

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

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