Physics, 30.06.2019 03:00 superfly903
An engine moves a motorboat through water at a constant velocity of 22 meters/second. if the force exerted by the motor on the boat is 5.75 × 103 newtons, what is the power of the motor? a. 7.9 × 104 watts b. 1.3 × 105 watts c. 2.5 × 105 watts d. 3.7 × 105 watts e. 5.0 × 105 watts
Answers: 1
Physics, 21.06.2019 22:30
The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
Answers: 1
Physics, 21.06.2019 23:30
Which of the following statements is true about women and minorities in early psychology? a. in the early 20th century, numerous graduate schools recruited women and minorities to study psychology. b. opportunities in higher education were limited for women and minorities in the early 20th century due to discrimination. c. despite some obstacles, there were numerous employment opportunities for women and minorities. d. women and minorities were often selected to do academic research in an effort to make the field more diverse.
Answers: 3
Physics, 22.06.2019 10:00
Amira pulls a 3 pound wagon 4 feet. how much work has she done?
Answers: 2
An engine moves a motorboat through water at a constant velocity of 22 meters/second. if the force e...
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