Which example provides a complete scientific description of an object in motion? a. the marble changed position quickly. b. the car traveled north. c. the marble moved 30 cm north in 6 seconds. d. the ball rolled 20 cm in 5 seconds.

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.

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)

Aproduction line at v. j. sugumaran's machine shop has three stations. the first station can process a unit in 7 minutes. the second station has two identical machines, each of which can process a unit in 16 minutes (each unit only needs to be processed on one of the two machines). the third station can process a unit in 10 minutes. ▼ is the bottleneck station, with a bottleneck time of nothing minutes per unit (enter your response as a whole number).