A sports car has a mass of 2 Mg and an engine efficiency of =0. 65. As the car moves forward, the wind creates a drag resistance on the car defined by =1. 22 , where v is the speed in m/s. The car accelerates at 5 m/s2, starting from rest. Determine the engine’s input power when t = 4 s.
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Physics, 21.06.2019 23:10, itzlianne
A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m
Answers: 1
Physics, 22.06.2019 11:00, dragon2565
Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good
Answers: 1
Physics, 22.06.2019 22:30, lakhanir2013
You add 800 ml of water at 20c to 800 ml of water at 80c what is the most likely final temperature of the mixture ? a. 100c b. 60c c. 25 c d.50c
Answers: 1
A sports car has a mass of 2 Mg and an engine efficiency of =0. 65. As the car moves forward, the w...
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