Assuming the pulley system below is weightless and frictionless, determine the reactia (FR) at the ceiling when 678 N load is lifted and held in static equilibrium. Give your an Newtons (N) to two decimal places. FR FE LOAD di

Q: Picture a negative charge moving leftward on your computer screen,  with some velocity. A magnetic…

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Q: Problem 1 ( m/sis sliding on a horizontal floor, where the coefficient of kinetic friction is equal…

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Q: 7. What is the kinetic energy of a 3-kilogram ball that is rolling at 2 meters per second? 8. The…

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Q: ompare the wavelength for an electron (mass = 9.11 * 10-31 kg) traveling at a speed of 1.0 * 107…

A: Given: The mass of the electron is 9.11x10-31 kg. The speed of the electron is 1x107 m/s. The mass…

Q: skateboard wheel is rolling so that it takes .3 seconds to complete one rotation. The wheel has a…

A: skateboard wheel is rolling so that it takes .3 seconds to complete one rotation. The wheel has a…

Q: 1 You serve a volleyball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30 m/s.…

A: Given that  M= 2.1kg  V = 30 m/s

Q: Compare green and red light from the visible spectrum. Which has the longer wavelength? Answer Bank…

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Q: A car is moving on a straight road 17 m/s. It is acceleration at 23 m/s? . What will be it's…

A: Given data :   Initial velocity  =  u   Time   =  t   Acceleration  =  a        To find :     Final…

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Q: What is the electric field (magnitude and direction) generated by. (Point) charge particle Q=5mC at…

A: Given : Charge, Q= 5 mC =5×10-3 C  Distance , r = 1 mm = 0.001 m  Find : Magnitude and direction of…

Q: prevent thermal energy (heat) from entering or exiting a building. In addition to being effective…

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Q: Solve the missing values of electric currents using Kirchhoff's laws. Fund the value of electric…

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Q: 2. The circular loop shown in perspective view at right has area A. o bo Perspective vie a. The loop…

A: We have to find the electric flux and electric field lines.

Q: At most, how many bright fringes can be formed on either side of the central bright fringe when…

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Q: A particle, which remains at rest, is acted on by three forces F, G and H. The force F has…

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Q: The "lead" in pencils is a graphite composition with a Young's modulus of approximately 1.0 x 10°…

A: Given data:  Young's modulus (Y) = 1.0×109 N/m2 Force (F) = 4.5 N Diameter (d) = 0.70 mm = 0.70×10-3…

Q: An LC circuit like the one in the figure below contains an 60.0 mH inductor and a 25.0 µF capacitor…

A: GivenL= 60.0 mH = 60.0 × 10-3 HC = 25.0 μF = 25.0 × 10-6 Fq0 = 185 μC =185 × 10-6 Cf = 129.95 Hz…

Q: into the night sky with an initial speed of 41.6 m/s . The rocket coasts after being launched, then…

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Q: Question 8 (1 point) A mass equal to the mass of a proton, but a net charge twice the proton charge…

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Q: Radio stations send out, or broadcast, their signals at specific frequencies. What is the frequency…

A: The frequency of my favorite radiostation is 102.6 MHz We need to find period of this frequency. f =…

Q: 8. The force between a 30.0 kg rock and the Earth is 294 N. How close must two protons (3.4 X 10 16…

A: Dear student,  Since both questions are different as per guidelines we can author only first one…

Q: Find Density of object of mass 350 kg which accupies space of 2-6 m3 ?

A: Given data :  Volume   =   V  Mass   =   m          To find :          Density

Q: B. A student said "electric potential is always proportional to potential energy; why bother with…

A: A student said "electric potential is always proportional to potential energy; why bother with the…

Q: Engineering students are learning to use phasor diagrams to analyze RLC series circuits. They are…

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Q: If the energy received by 7 minutes is 4690KJ. 5 m² area in Calculate the value of Solar constant ?

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Q: Heat is added isothermally to 2.8 mol of a monatomic ideal gas. The temperature of the gas is 430 K.…

A: Write the given values with the suitable variables. n=2.8 molT=430 KVf=4Vi Here, n, T, Vf, and Vi…

Q: Question 1 Which of the following statements are true with regards to standing waves? | Standing…

A: Last option will be correct answer.

Q: Problem 1- Heat Transfer How thick would the glass panes on a double-glazed window (air gap = 2mm)…

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Q: A current of 2-3 A flows through a conductor for 4 s. What amount of charge passes through the…

A: Given data-                               current passing through conductor = 2.3 A…

Q: The table below shows the speed of sound in water at different temperatures and salinities. Speed of…

A: We have to write about speed of sound in freshwater and seawater

Q: A crate of mass 80 kg is pushed along a floor with a force of 40 N for a distance of 10 m. Calculate…

A: Given, Mass=80kg Force=40N Distance=10m

Q: Ex(N) 80 50 25 X(m) 10 25 40 50 58 1) Work by a force, drawn on a graph, determine: a) The total…

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Q: You have a concave spherical mirror with a 13.1 cm radius of curvature. You place an object on the…

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Q: 50 Q 100 2 100 Q 50 2

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Q: ulating Coulomb

A: GivenForce exerted by two charged sphere on each other,F=7.93×10-5 Nq1=2.37×10-8 Cq2=3.62×10-7 C

Q: Two charged particles Qj=50 mC and Q2=0.05 C are separated by a distance d=10 mm (figure below).…

A: As two charges are of equal magnitude and distance of point P is also same, so their electric field…

Q: If the energy received by 7 minutes is 4690KJ. 5 m² area in Calculate the value of Solar constant ?

A: Given data :   Energy   =   E   Area    =   A   Time   =   t        To find :         Solar constant…

Q: Two mirrors are placed at 120° as shown below. If ray of light is incident at an angle of 55° as…

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Q: Explain 50-100 words A bar of copper with mass 150 grams is heated to 200 o C. It is then dropped…

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Q: The figure shows the stress-strain curve for a material. The scale of the stress axis is set by s =…

A: (a) Write the given data. σ=320  106 N/m2ε=0.0040

Q: O O, O O O O O O O 4. In the figure to the right, the rod moves with a speed of 1.8 m/s, is 24 cm…

A: Data the velocity of the rod, V=1.8m/s length of the rod, L=24cm=24×10-2m magnetic field ,B=0.35T…

Q: What is an electric field, and what does it tell you?

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Q: Calculate the wavelength of a sound wave that has a frequency of 115 Hz and a wave speed of 150,000…

A: Given data :   Wave  speed   =   V   Frequency   =  f          To find :       Wavelength

Q: How does the geometry of the diffraction experiment setup (slit size, and screen- to-slit distance)…

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Q: 2. The Space Staton häs a it rotaite So the occupants peel an apparent weight eanal to that theu…

A: Given Radius of space station = 57 cm = 0.57 m Acceleration due to gravity on earth g = 9.8 m/s2

Q: Q2 Calculate the center frequency of a VCO using a 566 IC for R1 = 4.7 kN, R2 = 1.8 k2, R3 = 11 kN,…

A: We have a VCO using 566 IC with resistance R1=4.7 k-ohm, R2=1.8 k-ohm and R3=11 k-ohm, capacitance…

Q: Suppose a piece of metal at 90 °C is quickly transferred into a Styrofoam cup containing 212 grams…

A: We have a piece of metal of mass m1=196 g and temperature T1=90oC which is put into a cup of water…

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Q: There is a Lazy Susan on the kitchen table that has a slot going through the center of it. You place…

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.