Physics, 19.09.2019 02:30 Jayschannelutube
Adriver traveling 50 mph rounds a bend and sees a car stopped 40 yards (36.576 m) ahead. assumethe following: the road is flat and straight, average human reaction time is 0.2 seconds, and theaverage braking acceleration of a us car is 6 m/s2. [1 mile=1609.344 meters ]a. is there a collision? b. if not, how close do they come? if so, at what speed?
Answers: 2
Physics, 21.06.2019 15:30
Taylor's experiment: 1. accurately measured the speed of light 2. locked together the phases of two light sources so that the interference pattern would not shift 3. showed that man's reaction time was much slower than the speed of light 4. showed that individual photons have wave characteristics
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Physics, 21.06.2019 17:00
Asimply means that over time there was some sort of change.
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In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?
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Physics, 22.06.2019 16:50
Acommercial refrigerator with refrigerant-134a as the working fluid is used to keep the refrigerated space at -35°c by rejecting waste heat to cooling water that enters the condenser at 18°c at a rate of 0.25 kg/s and leaves at 26°c. the refrigerant enters the condenser at 1.2 mpa and 50°c. if the compressor consumes 3.3 kw of power, determine (a) the mass flow rate of the refrigerant, (b) the refrigeration load, (c) the cop, and (d) the minimum power input to the compressor for the same refrigeration load.
Answers: 2
Adriver traveling 50 mph rounds a bend and sees a car stopped 40 yards (36.576 m) ahead. assumethe f...
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