Match each word with its definition.
scalar
1. distance plus direction
speed
...
Physics, 16.07.2019 19:50 haleydanielle8
Match each word with its definition.
scalar
1. distance plus direction
speed
2. 30 m/s northwest, for example
average speed
3. total distance divided by total time
what an object going around a curve at a constant speed is
undergoing
acceleration
5. 30 m/s, for example
displacement
6. any non-directional quantity
velocity
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Suppose a diode consists of a cylindrical cathode with a radius of 6.200Ă10^â2 cm , mounted coaxially within a cylindrical anode with a radius of 0.5580 cm . the potential difference between the anode and cathode is 260 v . an electron leaves the surface of the cathode with zero initial speed (v initial=0). find its speed vfinal when it strikes the anode.
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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)
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