Mathematics, 08.09.2020 21:01 zamawi17
An electric motor moves a chain that pulls the roller coaster car 180 meters to the top of the first hill. The chain exerts a force of 2,524 newtons on the car. How much kinetic energy does the car gain from the work done on it? Use the formula Change in KE = F × d.
Answers: 3
Mathematics, 20.06.2019 18:02
Fast phone couldn’t copy and paste so i decided to right it down
Answers: 2
Mathematics, 21.06.2019 21:30
Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244
Answers: 1
Mathematics, 21.06.2019 23:00
36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)
Answers: 1
Mathematics, 22.06.2019 01:30
The relative growth rate for a certain type of fungi is 60% per hour.a small culture has formed and in just 6 hours the count shows to be 20,273 fungi in the culture.what is the initial number of fungi in the culture?
Answers: 2
An electric motor moves a chain that pulls the roller coaster car 180 meters to the top of the first...
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