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: Spherical mirrors. Object O stands on the central axis of a spherical mirror. For this situation…
A: Given Object distance (Ps)Ps = + 15 cm Focal length (f)f = 27 cm
Q: 5.(Tipler and Mosca, Physics for Scientists and Engineers, 5th Ed.) A spherical shell of radius R =…
A:
Q: If you shine a light (of a single wavelength) on a material and electrons are emitted, then the…
A: This is a question based on Photoelectric effect. In Photoelectric effect: When a light of single…
Q: The figure shows a popular ride in an amusement park. A vehicle at end of a long rotating arms moves…
A:
Q: Which of the following is false? When an electric field is present inside a conductor, the motion of…
A: When an electric field is present inside a conductor, the motion of the charge carriers is mostly…
Q: Please help me to answer this po. Thank you so much
A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…
Q: equation for the particle in a one-dimensional box, the quantization of energy levels results when…
A: Schrodinger wave equation for the particle in a one dimensional box is : δ2ψδx+8π2mh2E-vψ=0
Q: A 49.0 kg pole vaulter running at 9.90 m/s vaults over the bar. The acceleration of gravity is 9.81…
A: Given: The mass of pole vaulter is m=49 kg. The speed of the pole vaulter is v=9.90 m/s. The…
Q: If the weight of a body immersed in a fluid exceeds the buoyant force then the body will rise until…
A: The buoyant force is the resultant force on the body exerted by the fluid. If the weight of the body…
Q: What is the current flow through R1, R2, and R3? R12 3 Ohm V2 9 V R2 3 Ohm R3 3 Ohm
A: What is the current flow through R1, R2, R3
Q: Given the statement of the Snell's Law of Refraction, identify the items in the equation: Snell's…
A:
Q: which of the following is true about the action and reaction force referred in Newton's Third Law of…
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: The vectors shown in the accompanying form an equilateral triangle vith figure sides 2.0 m long.…
A:
Q: A baseball player grabs a 200 gram baseball that is moving at speed of 30 m/s. The ball comes to…
A: Given: The mass of baseball is m=200 g. The initial velocity of baseball is u=30 m/s. The final…
Q: 12. Record the multiplicities, entropies, and probabilities of these macrostates below. In the last…
A: Note: You have posted multiple questions. Per our policy we will solve the first question. Repost…
Q: Two capacitors C1 = 6.8 µF, C2 = 18.2 µF are charged individually to V1 = 17.7 V, V2 = 6.1 V. The…
A: Initial Energy stored in the two capacitors Ui=12C1V12+12C2V22=126.8 μF17.7 V2+1218.2 μF6.1 V210-6…
Q: The figure below shows two wires carrying currents of I = 4.65 A in opposite directions, separated…
A:
Q: s the work d wing statements
A: Given that , Potential difference (V)= 24V Charge (q) = 1C So workdone (W) = V×q Putting the values…
Q: (c) The time period of a complete oscillation of a simple pendulum is decreased by 20% when the…
A:
Q: 7. What is the combined level of noise of five sound levels which are: 75dB, 85dB, 91dB, 73dB, and…
A:
Q: In the figure, a 5.20 kg block is sent sliding up a plane inclined at 0 = 37.0° while a horizontal…
A: We will draw free body diagram. Then solve for equation of motion Given:mass, m = 5.20 kgangle, θ =…
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: In a physics experiment, a 0.100-kg aluminum calorimeter cup holding 0.200 kg of ice is removed from…
A: Given : mal=0.1 kg mI=0.2 kg ms=0.05 kg Ti=Tal=-5 °C…
Q: [b] About how many joules of heat energy does it take to cook a pound of pasta? Use reasonable…
A: Mass=0.45kg
Q: Which of the following correctly orders electromagnetic waves by increasing frequency? a. radio,…
A: There are 7 electromagnetic waves. In order of increasing frequency electromagnetic waves are given…
Q: A light ray in plastic (n=1.45) hits an air/plastic boundary as shown below. The ray will be.? 45°…
A: The ray will get refracted if the angle of incidence is smaller than critical angle. And will be…
Q: The image of a distant object created by a concave mirror will be. a. formed at the focal point of…
A: Given The image of a distant object created by a concave mirror will be, as following below.
Q: A concave mirror with a radius of curvature of 40 cm forms an image 15 cm behind the mirror. Where…
A: Focal length = radius of curvature/2
Q: The output voltage of an AC generator is given by Av - (140 V)sin(70rt). The generator is connected…
A: Given: Output Voltage,∆V=140Vsin70πtResistance,R=23Ω To characterize a sinusoidal source of…
Q: A car moves 5m away from its initial position. Its displacement is 5m Speed is a vector quantity…
A: In this question we have to answer which statements are true or false. Please give positive feedback…
Q: wrong answer. please provide the right answer. thank you!
A:
Q: 5. A 20kg crate hangs at the end of a long rope. Find its acceleration (magnitude and direction)…
A:
Q: The statement "if the electric field does positive work on a charge, the potential energy of the…
A: Option c is the right answer The charge is positive
Q: A ball is dropped from the top of a building 150m high, at the same instant another is thrown upward…
A: The second equation of motion is h = u t + 0.5 gt2 where, h is the height, u is the initial…
Q: The equation for impulse is:
A:
Q: Radio waves from a star, of wavelength 154 m, reach a radio telescope by two separate paths, as…
A:
Q: Fiber optics is an application of... a. Interference O b. Dispersion c. Refraction d. Total internal…
A: In fibre optics light enters from one end and exit at other.
Q: Given a 2.25 μF capacitor, a 3.25 μF capacitor, and a 3.50 V battery, find the charge on each…
A:
Q: The location of the box's center of gravity is indicated by point G. The location of the box's…
A:
Q: A ball is attached to a string and rotates in a circle. If it takes 1.00 s to complete one…
A: Let us consider a diagram of a ball attached in a string undergoing a circular motion. Time taken…
Final answer please.
![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?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F68ded893-83ef-446f-9cf4-e73a08f772b8%2Fecc01506-a238-4986-95f9-e1010f9dca63%2Fd1refw_processed.jpeg&w=3840&q=75)
![](/static/compass_v2/shared-icons/check-mark.png)
Step by step
Solved in 2 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)