Physics, 17.07.2019 21:30 markaylarowland8
Aparticle (charge- +2.0 mc) moving in a region where only electric forces act on it has a kinetic energy of 5.0 j at point a. the particle subsequently passes through point b which has an electric potential of +1.5kv relative to point a. determine the kinetic energy of the particle as it moves through point b. a. 10.0 j b. 2.0j d. 5.0j e. 8.0j . 3.0j 6. a 60.0-hz ac generator with a peak voltage of 110 v drives a series rl circuit with r-100 mh. the peak current in the circuit is and l-100 d. 29.2 a a. 0.963 a. c. 10.3 a.
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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.
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Asmall grinding wheel has a moment of inertia of 4.0×10−5 kg⋅m2 . what net torque must be applied to the wheel for its angular acceleration to be 150 rad/s2 ?
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Aparticle (charge- +2.0 mc) moving in a region where only electric forces act on it has a kinetic en...
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