Physics, 28.11.2019 03:31 artiomtyler007
1. as part of their training, air force pilots make two practice landings with instruc- tars, and are rated on performance. the instructors discuss the ratings with the pilots after each landing. statistical analysis shows that pilots who make poor land ings the first time tend to do better the second time. conversely, pilots who make good landings the first time tend to do worse the second time. the conclusion: crit icism the pilots while praise makes them do worse. as a result, instructors were ordered to criticize all landings, good or bad. was this warranted by the facts? answer yes or no, and explain briefly.
Answers: 3
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One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?
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Asmall object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. the upper end of the rope is attached to the ceiling. as the object swings through its lowest position, where the rope is vertical, the speed of the object is 5.80 m/s. at this point in the motion, what is the tension in the rope? (use g = 9.80 m/s2.)
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1. as part of their training, air force pilots make two practice landings with instruc- tars, and ar...
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