Physics, 14.06.2021 15:30, Jefferson09
A refrigerator has a coefficient of performance equal to 6.00. The refrigerator takes in 110 J of energy from a cold reservoir in each cycle.
Required:
a. Find the work required in each cycle.
b. Find the energy expelled to the hot reservoir.
Answers: 3
Physics, 22.06.2019 18:30, hannahkharel2
Acar starts from rest at a stop sign and reaches a velocity of 25 m/s w in 4 seconds. determine the acceleration of the car. question 3 options: a) 6,25 m/s2 b)6.25 m/s c)100 m/s2 d)100 m/s
Answers: 1
Physics, 22.06.2019 20:30, aliviafrancois2000
We will use a video to study faraday’s law of electromagnetic induction by analyzing the induction that occurs due a coil of copper wire sliding along an air track that passes through an external magnetic field. specifically, we will: examine some of the main principles behind faraday’s law. apply lenz’s law to determine the direction of the induced emf. take measurements of the induced emf from the voltmeter as the coil passes into and out of the external magnetic field. use the horizontal scale provided to determine the speed of the coil. calculate the magnetic field induced in the coil as it passes into and out of the external magnetic field.
Answers: 2
Physics, 23.06.2019 08:30, luisannavasquez6129
Water moves to the top of tall trees because of a) capillary action b) surface tension c) capillary action and evaporation d) vapor pressure
Answers: 1
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