Physics, 26.07.2019 22:20 Svetakotok
The tibia bone in the lower leg of an adult human will break if the compressive force on it exceeds about 4 x 10^5 n (we assume that the ankle is pushing up). suppose that you step off a chair that is 0.40 m above the floor. if landing stiff-legged on the surface below, what minimum stopping distance do you need to avoid breaking your tibias? indicate any assumptions you made in your answer to this question.
Answers: 1
Physics, 22.06.2019 02:00
In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong
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Physics, 22.06.2019 09:30
The graph represents the distance a car travels over time while on the highway. which statement about the car's trip is accurate? a) the car does not move over time. b) the car travels at a constant velocity. c) the car's velocity increases constantly over time. d) the car's velocity decreases constantly over time.
Answers: 1
Physics, 22.06.2019 10:30
Air is to be preheated by hot exhaust gases in a cross-flow heat exchanger before it enters the furnace. air enters the heat exchanger at 95 kpa and 20°c at a rate of 0.6 m^3/s. the combustion gases (cp = 1.10 kj/kg°c) enter at 160°c at a rate of 0.95 kg/s and leave at 95°c. determine the rate of heat transfer to the air and its outlet temperature.
Answers: 2
Physics, 22.06.2019 11:30
Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?
Answers: 2
The tibia bone in the lower leg of an adult human will break if the compressive force on it exceeds...
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