A mass with a m mass is being pulled along a horizontal rope with a constant tension T at angle theta above the horizontal. If the coefficent of kinetic friction is μk, what is the acceleration a of the mass?

Q: nitially, Switch S is open and uncharged, the switch S is closed at t=0. In the figure, at a given…

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Q: Isabel walks 32 meters due south,then 48 meters due west and finally 52 meters due north. How far is…

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Q: A hockey stick exerts an average force of39 N[S] on a 0.20 kg hockey puck over a displacement of…

A: According to the equation of motion,Where,v = final velocityu = initial velocitya = accelerations =…

Q: Kirchhoff’s Law problems what’s the easiest way to solve this problem. Explain with simple terms and…

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Q: A spherical shell of radius r1=3 cm and r2=5 cm. Shell has -7microC charge on it ans a 3microC…

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Q: c) What acceleration is produced (magnitude and direction)? What is the speed of the mass after the…

A: Mass of the body 3.0 kg Tension force 45.0 N The required questions are answered below

Q: Sand from a stationary hopper falls on a moving conveyor belt at the rate of 4.90 kg/s as shown in…

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Q: D2L. I do not accept any assignments via email after the due date. Problem: Calculate the…

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Q: A ball is thrown upward with an initial velocity of 14.0 m/s at an angle of 65.0° above the…

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Q: Freight trains can produce only relatively small accelerations and decelerations. Leg 1 What is the…

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Q: The skateboarder in the figure is coasting down a ramp, and there are three forces acting on her:…

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Q: 1.0 m length of metal wire is connected to a 1.5 V battery, & current of 8.0mA. Resistivity of metal…

A: length = l = 1 mvoltage = V = 1.5 VCurrent = i = 8 x 10-3 Amp

Q: A satellite is in a circular orbit around the Earth at an altitude of 2.62 x 105 m. (a) Find the…

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Q: A car accelerates from west to east. In which direction is the force it applies on the road? What is…

A: We know direction of force  on car by road will be same as the direction of acceleration of  the car…

Q: A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is…

A: Mass of a ball mball = 1.7 KgMass of a block mblock = 2.3KgLength of the wire l = 1.27 m

Q: 1. Find her final speed at the top, given that the coefficient of friction between her skis and the…

A: mass = m = 60 kginitial speed = Vi = 12 m/sheight = h = 2.5 m

Q: 2. An 80 kg man and a 60 kg woman are standing side by side at the same end of a 100 kg boat, ready…

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Q: 4. Box A, weighing 100 N, descends a friction-free ramp and collides with box B weighing 50 N. As a…

A: Weight of box "A" = 100 NMass of box "A" = Weight Box "B" = 50 NMass of Box "B"  =

Q: A bowling ball encounters a 0.760-m vertical rise on the way back to the ball rack, as the drawing…

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Q: Vector A = (8, 4, -5) and Vector B = (-2, 3, 0). Find the angle between these two vectors.

A: Vector A=(8, 4, -5)Vector B= (-2, 3, 0)

Q: small rock with mass 0.22 kg is released from rest at point A, which is at the top edge of a large,…

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Q: What blood vessels are known to have the slowest flow speed? Why is this important?

A: The speed of blood flow is the lowest in capillaries. The speed of blood flow is inversely…

Q: A light source emits a beam of photons, each of which has a momentum of 6.4 x 10-29 kg-m/s. (a) What…

A: Mometum of photon=6.4×10-29kg.m/s

Q: 2. Two balls collide head on in an elastic collision. One ball has a mass of 3.0 kg and an initial…

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Q: Consider the system shown in the figure. The rope and pulley have negligible mass, and the pulley is…

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Q: 2. A villain with mass 65.0 kg runs at a velocity of 9.26 m/s directly into Chuck Norris' fist…

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Q: ▼ Part A How much work is needed to stretch this spring a distance of 4.0 cm, starting with it…

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Q: Make a plot (by hand) of the time of flight for a projectile as a function of launching angle, with…

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Q: 22.5 cm? 8. If the bowling ball in problem 7 is accelerated at a rate of 2.1 rad/ applied to produce…

A: Mass of the bowling ball,                     Diameter of the bowling ball,                     Then…

Q: The rotational velocity of a spinning disk decreases from 6 rev/s to 3 rev/s in a time of 12 s. What…

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Q: Nicole pushes on an 8 kg box on a smooth inclined surface. The inclined surface makes an angle of…

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Q: Light with a frequency of 3.73 x 1015 Hz strikes a metal surface and ejects electrons that have a…

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Q: A constant magnetic field passes through a single rectangular loop whose dimensions are 0.47 m x…

A: Dimensions of rectangular loop or area is Initial magnetic field is Angle between magnetic field and…

Q: The practice problem is saying it's not correct. I tried typing in 0.00001058 and 0.000001058

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Q: Imagine that you are observing a star and you find the wavelength of peak emission for the star to…

A: required:)wavelength of peak emission for a new star having temperature one third of original star.

Q: Determine the maximum speed an alpha particle consisting of (mass of two protons and two neutrons =…

A: Since the alpha particle starts from rest, the initial speed of the alpha particle will be…

Q: 5.22* Compute the focal length in air of a thin biconvex lens (n₁ = 1.5) having radii of 20 and 40…

A: See below

Q: A block of mass m₁ = 1.60 kg and a block of mass m₂ = 5.75 kg are connected by a massless string…

A: Given,The mass of the first block The mass of the second block is The mass of solid disk is,M=10 kg

Q: 1- The slope of a motion plot tells describe hat kind of motion we have. Describe each slope как це

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Q: The drawing shows three identical rods (A, B, and C) moving in different planes. A constant magnetic…

A: Motional emf = BlvL = 1.9 mB = 0.65 TVA=VC = 2.7 m/s

Q: An object of mass 100 kg is released from rest from a boat into the water and allowed to sink. While…

A: Write the expression for the weight of the object and substitute the corresponding values.

Q: A car in an amusement park ride rolls without friction around a track. The car starts from rest at…

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Q: The vector components of the electric field in a polarized electromagnetic wave traveling in vacuum…

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Q: A fast car is speeding down a road with a velocity of v. It collides with a truck moving in the…

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Q: Determine the work done by an electric motor lifting an elevator and its occupants weighing 2200 lb…

A: weight = m g = 2200 lbdistance between each floor = 15 fttotal height = h = 5 x 15 = 75 ft

Q: Froghoppers may be the insect jumping champs. These 6-mm-long bugs can spring 70 cm into the air,…

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Q: An estimated force-time curve for a baseball struck by a bat is shown in the figure below. Let F t₂…

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Q: The space station is at 400km altitude, and the earth radius is 6378km. Calculate g in the space…

A: The acceleration due to gravity  at a distance from the center of Earth is given by,where,  is the…

Q: An object with a mass of 56.0 kg is fired with an initial speed of 1.40  102 m/s at an angle of…

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Q: You are testing a new amusement park roller coaster with an empty car with a mass of 130 kg. One…

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”