Physics, 18.09.2019 22:00 smithad382
Napril 1974, steve prefontaine completed a 10 km race in a time of 27 min , 43.6 s . suppose "pre" was at the 7.57 km mark at a time of 25.0 min . if he accelerated for 60 s and then maintained his increased speed for the remainder of the race, calculate his acceleration over the 60 s interval. assume his instantaneous speed at the 7.57 km mark was the same as his overall average speed up to that time.
Answers: 2
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Oxygen and nutrients are moved through the body by the: a. circulatory system c. lymphatic system b. digestive system d. reproductive system
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Physics, 22.06.2019 13:10
Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.
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Physics, 22.06.2019 15:20
Arigid tank is divided into two equal parts by a partition. one part of the tank contains 3 kg of compressed liquid water at 400 kpa and 60Β°c while the other part is evacuated. the partition is now removed, and the water expands to fill the entire tank. determine the entropy change of water during this process, if the final pressure in the tank is 40 kpa. use steam tables.
Answers: 3
Physics, 23.06.2019 01:30
)consider two positively charged particles, one of charge q0 (particle 0) fixed at the origin, and another of charge q1 (particle 1) fixed on the y-axis at (0,d1,0). what is the net force fβ on particle 0 due to particle 1?
Answers: 2
Napril 1974, steve prefontaine completed a 10 km race in a time of 27 min , 43.6 s . suppose "pre" w...
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