How much does it cost to operate a 695W heater for exactly 30.0 min if electrical energy costs $0.060 per kW.h?

Q: Water flows through the S-shaped pipe shown in the figure below. At one end, the water in the pipe…

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Q: diving bell is designed to withstand pressure of sea water at a depth of 5430 decimeters. (a) What…

A: Given:- h= depth= 5430 dm = 543 m ρ= density of salt water= 1030 Kg/m3

Q: In the figure below, q1 = +2.00 nC and q2 = -8.00 nC. At what postion can an electron be placed and…

A: Given : q1 = + 2nC ; q2= -8 nC  Find : At what position and electron be placed and experienced zero…

Q: S. No. Object distance u (cm) - 90 - 60 - 30 - 20 - 18 - 10 Image distance v (cm) + 18 + 20 1. 2. 3.…

A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…

Q: Find the net charge of a system consisting of 204 electrons and 179 protons.

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Q: A sheet of copper is heated up from 79.2 °C to 110 °C. How many percent has its area increased? % IN

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Q: In the figure below, q1 = +1.00 nC and q2 = -9.00 nC. At what position is the net electric field due…

A: Given  q1=+1.00 nC q2=-9.00 nC distance between charges=0.1 m Required value of x at which electric…

Q: A single circular loop of wire with radius 2.40 cmcm lies in the xy-plane. There is a uniform…

A: Radius of loop R =2.40cm magnetic field at t1 =0sec B1 =0.140T and magnetic field at t2 = 2sec B2 =…

Q: While hunting for moths to eat, a bat emits a chirp that lasts for 2.10 ms and then is silent while…

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Q: b) The current is suddenly turned off. How long does it take for the potential difference across…

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Q: A transverse wave on a string is described by y(x, t) = A cos (ωt + kx), where A = 0.700 mm, ω =…

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Q: IP A parallel-plate capacitor has plates with an area of 1.1x10-2 m² and a separation of 0.82 mm.…

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Q: 10. Kristen is spinning on the ice at 20 rad/s about her longitudinal axis when she abducts her arms…

A: Given data: Initial angular velocity, ωi=20 rad/s Initial radius of gyration, ri=30 cm=0.30 m Final…

Q: A horizontal rope is attached from a truck to a 1379-kg car. As the truck tows the car on a…

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Q: Consider a conductor of length 69 millimeters and inner and outer diameters 7.98 millimeters and…

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Q: A harpsichord string of length 1.50 m and linear mass density 25.0 mg/m vibrates at a fundamental…

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Q: A car is moving along a road at 25.0 m/s with an engine that exerts a force of 2,475.0 N on the car…

A: Velocity of car,v=25 m/sForce exerted,F=2475 N

Q: If an electron helium is excited to the n=4level how many unique emission lines will be seen in the…

A: The electron on gaining energy jumps from lower orbit to higher orbit. It is just that correct…

Q: 11 A hot object is dropped into a thermally insulated container of water, and the object and water…

A: As we know∆Q =mc∆T            -----------(1)Where∆Q = Heat lost or gainm = Massc = Specific heat∆T =…

Q: Kindly share detailed explanation for each step. Draw Light ray diagram for proper understanding…

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Q: A projectile is launched with a velocity of 22 m/s at 50° to the ground. Determine its horizontal…

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Q: Problem 3: Adiabatic (e) Q/nRT1, (f) AE/nRT1, and (g) AS/nR? Isothermal Volume 3 V₂3 With V233.00V₁,…

A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…

Q: A system consists of three charges -qat (-d, 0), +2q at (d, 0), and +3q at (0, d). If the value of d…

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Q: 1. (II) Determine the rate at which the electric field changes between the round plates of a…

A: Given Diameter of the electric field is D=8.0 cm=8.0×10-2 m Separation between the plates is d=1.1…

Q: **63. While standing on a bridge 15.0 m above the ground, you drop a stone from rest. When the stone…

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Q: Newton's heating-cooling law states that the rate of change in the temperature, H, is proportional…

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Q: A police officer fired a gun horizontally from a 25.0-meter-high rooftop. If the bullet's starting…

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Q: 37. (I) What are the wavelengths for two TV channels that broad- cast at 54.0 MHz (Channel 2) and…

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Q: For the circuit shown below with a 12.0 V battery, find the total current through the battery and…

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Q: 13) In the figure, a bar magnet moves away from the solenoid. The direction of the induced current…

A: We have a solenoid with a resistor connected to it and a bar magnet whose south pole is moved away…

Q: A waste management company handles large dumpsters of construction debris. The sorting process…

A: absolute pressure into the input piston,p=3×106 Paradius of output plunger,r=0.245 m

Q: A projectile is launched and moves in its parabolic path. At what point along its path are the…

A: To tell which point on the parabolic path velocity and acceleration vectors perpendicular to each…

Q: If you were to cut a small permanent bar magnet in half, A) neither piece would be magnetic. B) one…

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Q: At each point on the surface of the cube shown in the figure the electric field is parallel to the z…

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Q: A compressed gas with a total mass of 114 kg is stored in a spherical container having a radius of…

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Q: Find the electric potential at x=0.400m Find the value of x between 0 and 1.00 m where the electric…

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Q: 2. You are given the following charge distribution: 75nC T 16cm 14 cm 86nC 20cm Find the total…

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Q: A projectile is fired with a speed of 15m/s at an angle of elevation of 30o    above the…

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Q: A roller coaster have a velocity of 9.5 m/s as it goes thru a loop where R = 6.7 meters.  What…

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Q: *59. ssm Consult Multiple-Concept Example 8 to explore a model for solving this problem. (a) Just…

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Q: Section 2.7 Graphical Analysis of Velocity and Acceleration 65. ssm A person who walks for exercise…

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Q: a) A 122 nA current (I) has been passing through the circuit for a long time. What is the potential…

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Q: A woman on a bridge 75.0 m high sees a raft floating at a constant speed on the river below. Trying…

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Q: A 120 cm diameter sphere floats in salt water, density 1025 kg/m^3, half of it submerged. What…

A: Given that  Diameter of sphere=120cm Density of salt water =1025kg/m^3 Now the total weight of water…

Q: (a) determine the maximum tensile stress, the maximum compressive stress, and the maximum shear…

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Q: As a spring is heated, its spring "constant" decreases. Suppose the spring is heated so that the…

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Q: A roller coaster cart of mass 139.0 kg is pushed against a launcher spring with spring constant…

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Q: A cannon is fired at an angle of 44°44° with the horizontal. If the cannonball has an initial…

A: Given: The intial velocity of the cannonball is 724 ft/s. The angle of projection is 44o.

Q: Calculate the force in member BG using a freebody diagram of the rigid member ABC. The orce is…

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Q: A rock is thrown upward at a speed of 10.7ms. How high will it rise?

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.