A light source radiates 20 W of light power uniformly in all directions. At a certain distance, the intensity of the light is 6.0E-02 W/m². Determine the distance.

Q: In a time of 1 seconds, a particle moves a distance of s meters from its starting point, where s =…

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Q: 1. (a) What is the acceleration of a car that goes from 20 to 30 m/s in 1.5 s? (b) At the same…

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Q: Part A Suppose two masses m₁ and m₂ are attached by a rope and a pulley with m₁ being on an inclined…

A: First we will draw the Free body diagram and will look for the forces acting .

Q: mass of a sample of water resulting from ice

A: Given: Ice at 0°C absorbing 4.2 kcal of heat while melting. Heat of fusion for water is ∆H=80…

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A: The friction coefficient (COF) is a dimensionless quantity defined as the ratio of friction force to…

Q: 7. A billiard ball is shot west at 3.00 m/s. A second, identical billiard ball is shot east at 2.00…

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Q: The small piston of a hydraulic lift has an area of 0.20 m2 . A car weighing 1.2 x 104 N sits on a…

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Q: Three resistors, each 86.2 ohms, are connected in series. How much current will flow through this…

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Q: A room with 2.9-m-high ceilings has a metal plate on the floor with V= OV and a separate metal plate…

A: Given Data: Height of the ceiling (d) = 2.9 m.Voltage (V) = 0 V.Mass of the ball (m) = 1.1 g =…

Q: Problem-4 A very large, square, flat, plane sheet of charge with edge length L = 2.00m with a…

A: Given:  Length of square sheet = 2 mCharge density of sheet = σ = -2.67×10-10 C/m2At t = 0 ,…

Q: How high up would you have to be to see a significant difference in the acceleration due to gravity?…

A: The acceleration due to gravity is approximately 9.81 m/s2 at sea level. As we move away from the…

Q: In a carnival booth, you win a stuffed giraffe if you toss a quarter into a small dish. The dish is…

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Q: u-ray Player draws a current of 143 mA at 120 V. How much power (in W) does the device requir W

A: Given Current I = 143 mA = 143×10-3 A  = 0.143 A  Potential difference V = 120 V

Q: Q4. A rectangular coil having sides 4 cm and 6 cm lies in a plane and consists of 100 turns of wire…

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Q: The primary voltage of a 2300/230 volts transformer has a frequency of 60 cycles. What is the…

A: Given data: Primary voltage of Transformer=230Volts Frequency (f)=60 cycles per second To find:…

Q: A sledge loaded with bricks has a total mass of 18.3 kg and is pulled at constant speed by a rope…

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Q: A projectile is fired from the ground, reaches a maximum height of 34.2 m and lands a distance of…

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Q: In the following network of capacitors, C1 is 4 µF and C2 is 2 μF. A 24- V battery is connected to…

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Q: A woman of 67 kg is held firmly in her seat by her seatbelt during a collision. The car deccelerates…

A: We know that,     Acceleration= (final velocity-initial velocity)÷ time   And,                Force…

Q: Shown below is the semi-circular path that a charged particle took in a mass spectrometer. Determine…

A: To calculate the diameter and the uncertainty of the diameter of the path of the particle. Given:The…

Q: You start out by driving 60 miles south in 4 hours and 18 minutes, and then you stop and park for a…

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Q: What fraction of the total energy released goes into the kinetic energy of the proton?   Express…

A: The question provides the following information: A neutron at rest decays into a proton and an…

Q: say a cars average speed is 15.2 km, how many meters can these cars go in 5.50s, 6.70s, and 6.78s

A: Given Car speed = 15.2 km/h We have to calculate distance moved by the car in 5.50s, 6.70s, and…

Q: A 0.20-kg particle moves along the x axis under the influence of a conservative force. The potential…

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Q: A water balloon is thrown upward from a window that is 75 meters high with an initial velocity of 19…

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Q: Block B is stacked on top of block A and does not slide with respect to A below the blocks move as a…

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Q: The height of a tree is much more difficult to measure then the base diameter of a tree. The largest…

A: The equation used to estimate the height of a sequoia tree based on its diameter is known as the…

Q: You create a plot of voltage (in V) vs. time (in s) for an RC circuit as the capacitor is charging,…

A: We have the given value of A, B, C A=4.211±0.4211 B=0.1699±0.007211 C=1.901±0.2051 Given Capacitor…

Q: Not the correct answer.

A: The average velocity is given as net diaplacement divided by time interval .

Q: Direction: Describe the intermolecular force/s exhibited on the following liquids 4. An ant…

A: 4. An ant suspended at the surface of the water: The intermolecular force exhibited on the surface…

Q: One end of a solid cylindrical copper rod 0.1500 m long and 0.0250 m in radius is inserted into a…

A: We have, radius (r) = 0.025 m Length (L) = 0.15 m Thermal conductivity of copper (k) = 1670 W/m.k…

Q: A 0.352 kg particle moves in an xy plane according to x(t) = -11.0+ 1.00 t-5.00 t³ and y(t) =…

A: The mass of the particle is given as: m=0.352 kg The x and y positions are given as…

Q: To get a toolbox up an inclined slope, a student installs a pulley system as in the picture shown.…

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Q: | I (mA) 200 150 100 50 0 Lightbulb 1 Resistor 2 AV (V) 3 4 a. For A V = 3 V, the resistance of the…

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Q: 7. A construction worker pulls a box of tools on a horizontal floor with a force of 100 N in a…

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Q: A 5.77 kg ball is attached to the top of a vertical pole with a 2.33 m length of massless string.…

A: Given data: Mass of ball, m = 5.77 kg Length of string, l = 2.33 m Speed of ball, v = 4.39 m/s g =…

Q: m An object with mass 54kg has an initial downward velocity of -39- Assume that the atmosphere…

A: Given that:m=54 kgat t=0, v(0)=-39 m/sg=10 m/s2FR=-60 N at v=-4 m/s

Q: The collector sphere, or dome, of a Van de Graaff generator builds a net charge of 3.5 x 10-3 C.…

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Q: Unpolarized light with intensity 340 W/m² passes first through a polarizing filter with its axis…

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Q: Mass mrests on a smooth horizontal surface, mp hangs vertically. Part A If mA = 12.0 kg and mp=3.0…

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Q: Four protons (each with mass 1.7 x 10.27 kg and charge 1.6 x 10-19 C) are initially held at the…

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Q: How many kilograms of ethyl alcohol at a temperature of 78.5°C can be boiled when 229 kcal of heat…

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Q: 3. A wooden block with mass 2.00 kg is placed against a compressed spring at the bottom of a slope…

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Q: L. How many electrons are contained in a 1 C of charge? What are the mass and weight of the…

A: (1) To calculate the number of electrons in 1 C of charge, we can use the formula: Q = n * e where Q…

Q: a) A 15.0 kg block is released from rest at point A in the figure below. The track is frictionless…

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Q: A mass m = 10 kg is launched with a spring with spring constant k = 30 N/cm vertically from a height…

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Q: 1. A ship steams at a constant velocity of 15 m/s . (a) How far does it travel in a day? (b) How…

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Q: 30 The homogeneous wire ABCD is bent as shown and is attached to a hinge at C. Determine the length…

A: Given that the homogenous wire ABCD is bent.  Also, the length BD = 80 mm + L

Q: In a fluid, the velocity measured at a distance of 75mm from the boundary is 1.125 m/s. The fluid…

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Q: https://www.webassign.net/web/Student/Assignment-Responses/submit.dep A woman driving a car 16 ft…

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Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.