Answers: 2
Physics, 22.06.2019 05:00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
Answers: 1
Physics, 22.06.2019 05:20
Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.
Answers: 2
Physics, 22.06.2019 17:00
Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little
Answers: 2
Describe the current atmosphere on mars. what evidence suggests that it must have been different in...
Computers and Technology, 07.09.2019 03:10
Geography, 07.09.2019 03:10
History, 07.09.2019 03:10
Mathematics, 07.09.2019 03:10
Physics, 07.09.2019 03:10
History, 07.09.2019 03:10
Mathematics, 07.09.2019 03:10