Physics, 04.02.2020 10:51 daylanhampton
Acar driving at an initial speed of 10.0 m/s accelerates on a straight road at 3.00 m/s^2. a) what is the speed of the car after one quarter of a mile? (1 mile =1.609km). b) the driver in part a slams on the brakes after reaching the quarter mile. if the car can decelerate at a rate of 4.50 m/s^2, what is the stopping distance of the car?
Answers: 3
Physics, 22.06.2019 14:20
4r-134a enters the condenser of a residential heat pump at 800 kpa and 50°c at a rate of 0.022 kg/s and leaves at 750 kpa subcooled by 3°c. the refrigerant enters the compressor at 200 kpa superheated by 4°c determine (a) the isentropic efficiency of the compressor, (b) the rate of heat supplied to the heated room, and (c) the cop of the heat pump. also, determine (d) the cop and rate of heat supplied to the heated room if this heat pump operated on the ideal vapor-compression cycle between the pressure limits of 200 and 800 kpa. (0.757, 4.37 kw, 5.12, 6.18, 3.91 kw)
Answers: 3
Physics, 23.06.2019 08:40
Question 1 of 10multiple choice: select the best answer and click "submit."what method of forecasting predicts the arrival time of a storm based on itscurrent speed and other starting variableso a. climatology methodo b. trends methodo c. analog methodod. persistence method
Answers: 2
Physics, 23.06.2019 09:20
How does an increase in temperature generally affect the rate of a reaction?
Answers: 3
Acar driving at an initial speed of 10.0 m/s accelerates on a straight road at 3.00 m/s^2. a) what i...
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