Mathematics, 20.09.2019 21:00 nnyahtoland
panic escape. the figure here shows a general situation in which a stream of people attempt to escape through an exit door that turns out to be locked. the people move toward the door at speed vs = 3.000 m/s, are each d = 0.200 m in depth, and are separated by l = 1.900 m. the arrangement in the figure occurs at time t = 0. in time, people become stacked up at the door (a) at what average rate does the layer of people at the door increase? (b) at what time does the layer's depth reach 5.16 m? (the answers reveal how quickly such a situation becomes dangerous.)
(a) number enter your answer in accordance to item (a) of the question statement unit choose the answer from the menu in accordance to item (a) of the question statement
this answer has no unitsdegreesmkgsm/sm/s^2njwn/mkg•m/ spakg/m^3gm/s^3times
(b) number enter your answer in accordance to item (b) of the question statement unit choose the answer from the menu in accordance to item (b) of the question statement
this answer has no unitsdegreesmkgsm/sm/s^2njwn/mkg•m/ spakg/m^3gm/s^3times
Answers: 2
Mathematics, 21.06.2019 19:00
What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)
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Mathematics, 21.06.2019 21:30
Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3
Answers: 1
Mathematics, 22.06.2019 00:00
Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation,and the determine the cost if he drove it70 miles.b) what would be the cost of a car rental if the car was driven 250 miles? show work
Answers: 1
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