A 80.0 kg mail bag hangs by a vertical rope 3.5 m long. A postal worker then displaces the bag to a position 2.4 m sideways from its original position, always keeping the rope taut.

Q: Consider a 5.0 kg mass acted upon by a 3.0 N upward force and a 4.0 N leftward force. What is the…

A: Given, 5.0 kg mass acted upon by 3.0 N upward force and a 4.0 N leftward force. We know that…

Q: Networking. A 24 [V] potential is supplied across terminals a and b to fully charge the capacitor…

A: The correct  option is option D  Explanation is as follows

Q: How do wind turbines generate electricity?

A: Kinetic energy is produced when wind rotates a turbine's blades like propellers.This causes the…

Q: #2 Switch S in Fig. 27-43 is closed at ime t=0, to begin charging an initially uncharged capacitor…

A: Given data as per question   R  =  35ohm   C    =  17.5micro farad

Q: What is the equivalent resistance of the combinations of resistors between points A and B shown…

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Q: The potential energy stored in the compressed spring of a dart gun, with a spring constant of 28.50…

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Q: A 25.0 kg child slides down a long slide in a playground. She starts from rest at a height h₁ of…

A: Given data:  Mass (m) = 25.0 kg At Height (h1) = 22.00 m, speed (V1) = 0 m/s At height (h2) = 12.00…

Q: the queston is not asking about the angle, it is asking about the magnitude of the elctric field.…

A: To find :- magnitude of electric field .

Q: Hi, I was wondering how I could work out what height the quokka's feet are above the ground? Thanks

A: A student has asked this question as a follow up to an existing question. The existing solution is…

Q: As shown in the figure, the charge Q is placed midway between the charges q1 and q2. If Q = -7.5 nC,…

A: Given, Q=-7.5 nC distance of Q from both the charges will be, r=10 cm,

Q: A buoy floating in the sea is bobbing in simple harmonic motion with amplitude 13 in and period 0.1…

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Q: Please answer the remaining 2 and 3. I need help with this

A: In the given diagram, the slope of the given line is negative. The equation of the line is of the…

Q: A circuit is constructed with five resistors and a battery as shown. The battery voltage is V = 12…

A: Given:-

Q: What was the Kepler telescope? Group of answer choices A telescope on Kitt Peak in Arizona A…

A: Kepler telescope was a space telescope that surveyed a part of the milky way galaxy for exoplanets.…

Q: Use the following graph to answer Questions #1 - #7. position + T 1. Which object(s) is (are)moving…

A: Given data:  The position vs time graph Required: Objects that are moving at constant velocity,…

Q: . A car starts from rest with an acceleration of 2.0 m/s^2. What is its velocity after it has gone…

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Q: A concave mirror produces a real image that is 3.0 times as tall as the object itself. If the…

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Q: A cannon ball was fired at 20m/s. If it was launched at 30 degrees above the horizontal, find (a)…

A: Given data:  Initial velocity (u) = 20 m/s Angle (θ) = 30°,above the horizontal Required: The…

Q: Suppose you have two negative charges q = −4.00 [µC] arranged in two corners of a square with side…

A: Calculate the distance of the charge at the center from the diagonal charges. b=(4 cm2)2+(4…

Q: Why is  thermal energy not importanta and is a waste product of friction? Conversion to thermal or…

A: Mechanical energy can be either potential or kinetic. Thermal energy refers to the energy contained…

Q: A spring powered gun has Hooke's constant k. The spring is compressed by length 6 and shoots a…

A: Given data: The spring constant (k) = 72 N/m The mass, m= 15 grams = 15×103 kg h = 1.3 m The…

Q: Initially, for the circuit shown, the switch S is open and the capacitor is uncharged. The switch S…

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Q: (a) Find its resistance R (in ohms) if the capacitor charges to 90.0% of its final value in 13.7 s.…

A: We know charging of capacitor follows this rule

Q: Part B: Use the following graph to answer Questions #1 - #7. position + I B /C A D E

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Q: Sales delay is the elapsed time between the manufacture of a product and its sale. According an…

A: Dear student, As per guidelines, I can only first 3 subparts. Please repost other parts in next…

Q: 4) We are given a capacitor for which we do not know its capacitance. In order to figure this out we…

A: Write the expression for the rms voltage and rearrange the equation to find the expression for the…

Q: We are given an RC circuit with R = 29kΩ, C = 0.4µF, and the rms voltage applied is 110V at a…

A: Given:-  The RC circuit  is given as  R = 29 kΩ  and C = 0.4µF Vrms= 110 V  f= 55 Hz  Find:- What is…

Q: 3. A ball is dropped from the top of a 100.0 m high building and a second ball is propelled up from…

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Q: The figure shows two tiny 5.0-g spheres suspended from very light long threads of length L= 1.0-m.…

A: The solution for this question has been given below...

Q: Analyze the following situation. A student chooses the following energy bar charts to represent the…

A: Given: We have to find which one of the charts given is wrong.

Q: magine that you ve been invited to try out a new hoversuit , and here s how it works: Someone has…

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Q: The acceleration of the body at the highest point on the graph is: a.Cannot be determined b. 0 m/s2…

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Q: 21. Projectile: Any object that moves in our space under the influence of gravity, that is,…

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Q: Two capacitors C1=5.0-µF and C2= 7.0-µF are connected in series across an 8.0-V potential source…

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Q: A particle of charge 4.94 x 10-8 C experiences a force of magnitude 6.54 × 10-6 N when it is placed…

A: Given data:  Charge (q) = 4.94×10-8 C Magnitude of the electric force (F) = 6.54×10-6 N Required:…

Q: The International Space Station has a mass of 440,725 kg and is located 420 km away from the surface…

A: Given, Mass of ISS (m)= 440725 kg  Height from surface of earth (h)= 420 km  Mass of earth(M)= 5.97…

Q: Compute the frequency (in MHz) of an EM wave with a wavelength of 7.8 in. (0.1981 m). MHz Need Help?…

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Q: Two identical resistors are connected in series across the terminals of a battery with a voltage V…

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Q: Which of the statements below best describes planetary orbits in our solar system? They generally…

A: The planets consistently show low eccentricities in the solar system. So, their orbits are…

Q: In the figure &₁ = 5.91 V, &₂ = 12.0 V, R₁ = 97.1, R₂ = 188, and R3 = 321 9. One point of the…

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

Q: v) A spring is compressed 2.0 cm. How far must you compress a spring with twice the spring constant…

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Q: A baseball fan sitting in the "cheap seats" is d = 130 m from home plate (see the figure below). How…

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Q: 2.The figure below shows cross sections through three long conductors of the same length and…

A: Determine the cross-sectional area of conductor A. AA=π(RA2−RB2)AA=π[(3R)2−(2R)2]AA=5πR2

Q: A 450 N sign is supported vertically by a single cable. What is the tension in the cable? A

A: Given data:  A sign is supported by a single vertical cable  The weight of the sign (W) = 450 N…

Q: 3. A 1m³ container is filled with 0.12 m³ of granite, 0.15m³ of sand, and 0.2m³ of 25°C water, the…

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Q: X 3. Calculate the coordinate direction angles of vector Q. Z 72° 36° Q = 300 lb y

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Q: 4. Determine the displacement (i.e., the area) of the object during the first 4 sec (Practice A) and…

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Q: Why is energy required to remove an electron from an atom?  explain using your ideas of forces and…

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Q: An M = 12.3 kg mass is suspended on a k = 273000 N/m spring. The mass oscillates up-and-down from…

A: Given: mass of the body suspended (m) = 12.3 Kg            Spring constant (K) = 273000 N/m   To…

Q: A girl standing on top of a roof throws stones number one into the air with a velocity of plus V.…

A: Let u be the initial velocity and h be height of the building. Acceleration is always in downward…

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.