The magnitude of the normal force at point C is 6.8mg.  The magnitude of the net force at point B is ____ mg.

Q: A bag of cement weighing 525 N hangs in equilibrium from three wires as suggested in the figure…

A: Given:- θ1= 62° θ2= 43° W= Weight of the bag of cement= 525 N

Q: The green marble (m1= 2.6 kg) was in head-on collision to red marble (M2-8.2kg). Before the…

A: Given data:  Head on collision  m1 = 2.6 kg, m2 = 8.2 kg v1i = 7 m/s, towards right  and v2i = 5…

Q: The light beam shown in the figure below makes an angle of 30.4° with the normal line NN' in the…

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Q: Find the moment of inertia of a solid sphere of radius R and mass M, about an axis of rotation…

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Q: What is the energy density at the center of a circular loop of wire carrying a 29.0 A current if the…

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Q: In order to draw air into your lungs, your diaphragm and other muscles contract, increasing the lung…

A: in this question we use equation of state of gas.

Q: 2. Which one of the electric circuits as shown below has the bigger current? Show solutions for…

A: Current is dependent on voltage between 2 terminals. This is called Ohm's law. More is the potential…

Q: 1. A uniform rod of mass 2 kg and length of 2.0 m is pivoted perpendicular to the rod and 50 cm from…

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Q: You have a parallel-plate 6.97 × 10-6 F capacitor that is charged to 0.00859 C. While the capacitor…

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Q: An object can rotate but not exhibit no angular acceleration and no linear or translational…

A: Condition for equilibrium  For equilibrium net force as well as net torque acting on the system…

Q: A point charge of 0.8x10-9C is placed at x=0.0m. A second charge of 4.5x10-9C is placed at x=1.5m.…

A: Given data:  Q1 = 0.8×10-9 C at x = 0.0 m Q2 = 4.5×10-9 C at x = 1.5 m Required: Potential at x =…

Q: A block slides down a rough plane inclined at an angle of 15° to the horizontal. The coefficient of…

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Q: There are two versions of the Rydberg equation. One constant is 1.097 x 107 m -1 and the other…

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Q: Determine the charge entering the element fro t = 0 to t = 2s if the current flowing through the…

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Q: 24. What is the dimension of object as compared to wavelength of propagating wave when reflection…

A: Explanation: Reflection occurs when a propagating electromagnetic wave impinges upon an object which…

Q: A lead rod has a Volume of 148.7 cu meter when the temperature is 11.9°C khat is its volume (in…

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Q: Two wave pulses travel along the same string as shown in the image below, headed towards one…

A: The amplitudes of the waves will add up as a vector sum

Q: 4. The volume of a steel rod is measured as follows: The diameter of the rod is measured with a…

A: We have the formula for volume V=π4D2L

Q: Two harmonic waves traveling in opposite directions interfere to produce a standing wave described…

A: Given in question -  Equation of wave:  y=2Sin(4x)Cos(3t) To find: What is the speed (in m/s) of the…

Q: spring with a mass of 4 kg has damping constant so, and a force of TN is required to the Q: 1: A…

A: Frequency of oscillations is proportional to spring constant and inversely to mass. A restoring…

Q: Part A) What is the reactance of a 7.4 μF capacitor at a frequency of 70.5 Hz ? Express your answer…

A:

Q: A thin aluminum rod lies along the x-axis and has current of I = 15.7 A running through it in the…

A: Solution: Given: Magnetic field B is perpendicular to current I.  1 mT = 10-3 T  θ = angle between…

Q: Problem 4: A rocket starts from rest at the origin. The rocket accelerates up an inclined plane of…

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

Q: 2. Determine the equivalent resistance between A and B in the figure below. R-30 wwwww R-40 R₂-40…

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Q: Which diagram below accurately depicts the path of charge through a light bulb? d. 〇〇 母母母母 D n a. p…

A: Explanation-             A bulb glows when a path is provided for the electric current to flow from…

Q: The potential in a given region of space varies with the distance according to the graph shown…

A: Electric field is the negative of slope of the potential.

Q: A block of wood has density 0.50 g/cm³ and mass 1 500 g. It floats in a container of oil (the oil's…

A: Given : density of wood, d1 = 0.50 g/cm3 and mass, m = 1500 g ; density of oil, d2 = 0.75 g/cm3…

Q: A conducting circular loop of wire with radius 0.0300 m and resistance 0.40 Ω sits in a region of…

A: Magnetic flux passing through a loop  is given by  ϕ=∫B→.da→=∫B.da Since magnetic field B and area…

Q: A b. A vaulter holds a 29.4 -N pole in equilibrium by exerting an upward force U with her leading…

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Q: An electron moves with velocity v =(5.0i−5.0j) ×104 m/s  in a magnetic field B = (−0.73i+0.70j) T.…

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Q: A 70.0 kg astronaut lands on a planet with a mass of 5.3 x1023 kg and a radius of 2.7 x106 m.…

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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: The stress versus strain curve is given for a material the stress is plotted along the vertical axis…

Q: A student walks 58 m through the school halls wearing a 6 kg backpack on her back. How much work, in…

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Q: Formula W=Fd F = Force d = displaceme The in cowar downward direction (F= mg) of the backpack will…

A: Given  mass m =6 kg Displacement d = 58 m

Q: A block of mass m = 2.00 kg is attached to a spring of force constant k = 590 N/m as shown in the…

A: The energy stored in spring will be transformed into the kinetic energy of the block when it reaches…

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

A:

Q: Two capacitors 0.30 microfarad and 0.50 microfarad are connected in parallel. a) what is their…

A: a) Since the capacitors are connected in parallel, the equivalent capacitance C is given by…

Q: The schematic for part of the circuitry that makes up a T-800's memory unit is shown below. This…

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Q: A tube 1.10 m long is closed at one end. A stretched wire is placed near the open end. The wire is…

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Q: 7. Three point charges, A, B, and C, are positioned in free space as shown. Om ✓ 3 m 3 m 4 m A – 300…

A: qA = -300μC qB = 400 μCqC = 400 μC

Q: Which of the following statements is INCORRECT about the Law of Universal Gravitation? The…

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Q: Given the mass of a radioactive material, phosphorus 32P is 0.60 g and its half-life, T1/2 is 14.3…

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Q: Two streams merge to form a river. One stream has a width of 8.2 m, depth of 3.2 m, and current…

A: The volume of water flowing per second  = width×depth×speed So the volume of water flowing per…

Q: 10. In the French Open tennis tournament, a professional cameraman named Mike Francis useda digital…

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Q: A balloon rubbed against denim gains a charge of −2.0 µC. What is the electric force between the…

A: Given data:  Charge on the balloon (q1) = -2.0 μC = -2.0×10-6 C Distance (r) = 3.0 cm = 3.0×10-2 m…

Q: An ideal fluid, of density 0.90 x 103 kg/m3, flows at 6.0 m/s through a level pipe with radius of…

A: We use the continuity equation A1v1=A2v2

Q: What is the magnitude of the electric field at a point midway between a −6.8μC−6.8μC and a…

A: Given:-  Two charges are as q1 = -6.8 μCand q2 = +7.8μC The distance between them is d = 8.2 cm…

Q: An object with net charge of 4.80*10^-6 Coulomb experiences an electrostatic force having a…

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Q: An electron moves in a circular path with a speed of 1.30 x 10 m/s in the presence of a uniform…

A: In the given case the centripetal force for circular motion is provided by the magnetic force. Hence…

Q: As shown in the figure below, a box of mass m = 23.0 kg is sliding along a horizontal frictionless…

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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.