Amachine lifts an object of weight 200.n at constant speed of 2m⋅s−1 through a vertical distance of 4m. the efficiency of the machine is 25 %. what is the input power of the machine? give your answer in kw k w , correct to two significant figures. remember to include a unit with your answer.

Suppose that recording station n is located 200 km north of the epicenter of an earthquake, and recording station s is located 100 km south of the epicenter of the same earthquake. which of the following statements would be true?

The arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s . 1.) a. precipitation b. water vapor c. icy debris 2.) a. gravitational compression b. biochemical cycling c. radiogenic heating 3.) a, gravity b. magnetic field c. heat energy for plato

Name the non metal condut electricity