An ac source of voltage amplitude 10 V delivers electric energy at a rate of 0.80 W when its current output is 2.5 A. What is the phase angle between the emf and the current?

Q: II Two packages at UPS start sliding down the 20° ramp shown in FIGURE P7.33. Package A has a mass…

A: The forces acting on the system will be the normal force N , the gravitational force Fg and the…

Q: Light with a wavelength of 350 nm strikes double-slits with a spacing of 0.75 mm which is then…

A: Given, wavelength λ= 350 nm Slit spacing d = 0.75 mm Screen distance D = 1.0 m Order n = 2 Angular…

Q: A concave mirror (f= +12.5 cm) creates a virtual image of an 5.3 cm tall object. If di is -18.3 cm,…

A: Using the mirror formula and sign convention,we can calculate the magnification as follows

Q: Why does the answer stop

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Q: 36 Given in the table are data on the planets in our solar system. Planets Radius Moons Distance…

A: Analyzing the above table, it can be concluded that as the distance of a planet from the Sun…

Q: a state highway patrol car radar unit uses a frequency of 9.00*10^9 Hz. What frequency difference…

A: Given that:-Original frequency, F=9.00×109 Hzrelative speed of object, v=28.6 m/sSpeed of light,…

Q: e) An electron is a Fermion. f) An atom is a Boson. g) Particles have two possible spin states.

A:

Q: A trunk of mass m = 1.4 kg is pushed a distance d = 92 cm up an incline with an angle of inclination…

A: The mass of trunk is: The distance covered by trunk is: The angle of inclination is: The horizontal…

Q: A block of 2.4 kg is attached to an ideal spring on a frictionless surface. The block is pulled to…

A: 1. According to the given question,  Mass of the block: M=2.4 kg  Distance pulled by block is : X=…

Q: A block with mass 0.400 kg is on a horizontal frictionless surface and is attached to a horizontal…

A: Given  Mass of block m=0.4kg Spring constant k=200N/m  speed at x=0.160m is v=3m/s

Q: The figure below shows two wires carrying currents of I = 4.65 A in opposite directions, separated…

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Q: HERSTE A CD has a diameter of 12.0 cm. If the CD starts from rest and has a constant angular…

A:

Q: 1.05 (b) The elevator continues upward at constant velocity for 8.2 s. (i) Newton's Law in the…

A:

Q: E6. The rotational velocity of a spinning disk decreases from 10.0 rev/s to 3.0 rev/s in a time of…

A: Given: The initial rotational velocity is 10.0 rev/s. The final rotational velocity is 3.0 rev/s.…

Q: A mass M attached to a spring oscillates with a period of 2 s. If the mass is increased by 2 kg the…

A: We are aware that a mass M suspended from a spring oscillates with a 2 s period.The time lengthens…

Q: A brick is thrown upward from the top of a building at an angle o to the horizontal and with an…

A: Given data Time of flight is t. Initial speed is v0 Angle of projection is ϕ Vertical acceleration…

Q: than 45 thr A horizontal drainpipe 6 m above sea level empties storm water into the sea. If the…

A:

Q: So, how do I get to the final answer?

A: The distance between speakers A and B , d1=6m The distance between speaker B and observer located at…

Q: A long solenoid has a diameter of 9.94 cm. When a current i exists in its windings, a uniform…

A: As it is not specified so according to Bartleby policy we are answering only the first question.