63.Three point masses are placed at the corners of a triangle as shown in the figure below. 75 g 3 cm 4 4 cm 100 g 150 g Find the center of mass of the three-mass system.

Q: A potter's wheel, with rotational inertia 12 kg-m², is spinning freely at 40 rpm. The potter drops a…

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Q: If a force of 33.6 N is applied to a spring, with a spring constant of 138.2 N/m, how far will it…

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Q: B= Pe Submit Question R₂ The Loop of wire shown has current 21.0 amps and radii R₁ = 16.0 cm and R₂…

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Q: A weather vane initially at rest has a moment of inertia of 0.124 kg m² about its axis of rotation.…

A: Write the given values with the suitable variables. I=0.124 kg m2m=57 g=0.057 kgr=10.5 cm=0.105…

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A: The equation for convection of between a solid surface and fluid can be expressed as: q=h×A×∆T where…

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A: Given data: Mass of the crate: m=22.8 kg Coefficient of kinetic friction between the carte and the…

Q: A 9.2-V battery, a 4.93-02 resistor, and a 9.1-H inductor are connected in series. After the current…

A: The voltage of the battery is V = 9.2 V  The resistance  R = 4.93 ohm  The inductor L = 9.1 H  After…

Q: (c20p18) Consider the arrangement shown in Figure P20.18. Assume that R = 7.00 2 and I = 1.00 m, and…

A: Given:-            Resistance of wire (R) = 7 Ω           Length of bar (L) = 1 m          Magnetic…

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A: Given:- mass of boat+ Cynthia = 700kg Mass of book = 4kg  Initial velocity of boat Cynthia book…

Q: A dam on a river is built so that the wall facing the water is shaped like the region above the…

A: Given:-           Height of Dam (y) = 120 m         Height of water (h) = ( 120 - 22 ) m…

Q: A 2.0-g particle moving at 6.4 m/s makes a perfectly elastic head-on collision with a resting 1.0-g…

A: Given: Masses m1 = 2 g, m2  = 1 g Velocities before elastic collision u 1 =6.4 m/s, u2 = 0

Q: heat transfer rate

A: Given: Width of plate is W=2.37 m Height of plate is H=1.17 m Heat transfer rate is Q·=123 W Initial…

Q: @ 2 W S #3 A. 3 How many different motion variables are there for 1-D motion? C. 5 Copyright ©…

A: There are four different motion variables for 1-D motion, which are:   1. Position (denoted by x):…

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A: we use the concept of equation of motion and Newton's laws of motion.

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A: Note: “Since you have posted multiple questions, we will provide the solution only to the first…

Q: Conservation of Energy Whiteboard Problems 1. A 40.0 kg test rocket is fired vertically on a level…

A: Note: “Since you have posted multiple questions, we will provide the solution only to the first…

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A: Solution: The derivatives of the gravitational potential energy (Ug), kinetic energy (K), and total…

Q: Two equal positive point charges, +Qo are positioned as shown below. Four points A, B, C, and D are…

A: Given:-           Upper charge (qu) = Q∘          Lower charge (ql) = Q∘          Negative charge…

Q: Consider the scenario shown below. Let a = 1.60 m, and i = 1.40 A. Determine the magnitude of the…

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Q: Current Attempt in Progress Two parallel plate capacitors are filled with the same dielectric…

A: We can use the formula for the capacitance of a parallel plate capacitor with a dielectric material…

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A: Given Data:- Three resistors are identical and are connected in series. Voltage across each resistor…

Q: Which of the following combinations will give an equivalent resistance of 108 kilo-ohms? a. series…

A: For series combination of two resistors: Req = R1 + R2 For Parallel combination of two resistors:…

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A: The mass of the object attached is 9 kg. The damping constant is 8 N-sec/m. The external force…

Q: You have a 25.0 μF capacitor and a variable frequency AC source. Determine the following. (a)…

A: Capacitive reactance (Xc) is a equivalent concept of resistance of capacitor in AC circuit which is…

Q: A child is bouncing an a trampoline. The child has a mass of 42.5 kg. She leaves the surface of the…

A: Given data: Mass of the child, mc=42.5 kg Initial speed of the child, u=10.2 m/s Height, she…

Q: Approximately how long would it take an electrical signal (carried by an electromagnetic wave) to…

A: We used the concept of speed of Electromagnetic wave to solve this problem. The speed of…

Q: An incandescent light bulb with a surface area of 0.0136 m2 and an emissivity of 0.92 has a surface…

A: The net rate of radiation heat transfer between the bulb and the surroundings can be calculated…

Q: Standing at a crosswalk, you hear a frequency of 560 Hz from the siren of an approaching ambulance…

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Q: Three parallel wires with a length of L = 45 cm are located at a distance of d = 5.0 cm from each…

A: GivenL=45 md=5 cm  =0.05 mI=27 Aforce per unit length between two current carriying wires is…

Q: A voltmeter and an ammeter are used to respectively monitor the voltage across and the current…

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Q: Show ALL YOUR WORK! Give a detailed solution Below is a diagram of a VERY long line of negative…

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Q: 31. What is the momentum (as a function of time) of a 5.0-kg particle moving with a velocity ▼(t) =…

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Q: Two children are on adjacent swings at the playground. One child has twice the mass of the other…

A: Let,  Mass of child A = m Mass of child B = 2m We can consider the children swinging in the swing…

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Q: 3. An object initially moving at 8.0 m/s [S] ends up moving at 10.0 m/s [N] after a period of 7.0 s.…

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Q: There are three long, straight, parallel wires depicted, all lying in one plane and carrying current…

A: Force on an segment (of length L in m) of current (I2 in A) carrying wire due to main current…

Q: In an experiment, after a metal surface is illuminated with a laser, it starts to emit a green…

A: A metal surface is illuminated with a laser, it starts to emit a green monochromatic light having a…

Q: Two infinite parallel plates carry equal +ve charges are placed at a distance d. What is the field…

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Q: In a tornado or hurricane, a roof may tear away from the house because of a difference in pressure…

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Q: 4. An astronaut on the moon throws a wrench straight up at 3.76 m/s. How long will it take before it…

A: Required  time taken to reach speed 2.64 m/s during falling downward.

Q: Let q 1 = 2 μC, q2 = -4 μC, q3 = = +3 μC, q4 = -5 μC, q5 = +9 μC. a. What is the net force on q 5 ?…

A: Solution(8):- Given:-            q1 = 2 μC, q2 = -4 μC, q3 = 3 μC, q4 = -5 μC, q5= 9 μC (a).

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Q: A flexible loop has a radius of 24.7 cm and it is in a magnetic field of B = 0.157 T. The loop is…

A: Ainitial=πR2=π(0.247m)2=0.1917 m2Afinal=0 m2∆t=0.189 sB=0.157 T

Q: A heart beats 264 beats in 3 minutes. What is the unit rate?

A: Unit rate = Total number of heartbeatTotal time

Q: can we put two strings in series even though they have different spring constants? 2. is force…

A: Part 1: Yes, we can arrange two springs in series having different spring constant.

Q: 3. Red light is incident on the glass surface of a table at 43°. The light reflects and refracts.…

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Q: magnet 1.4-T MRI machine passes through your head. head when the K held or a

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Q: A long solenoid with 9.50 x 10² turns per meter and radius 2.00 cm carries an oscillating current I…

A: Given: N=9.50×102 /m r=2.00 cm=2.00×10-2 m I=4.00 sin 80πt

Q: Is the d) part using rotational kinematics? and since you have the velocity final and radius you can…

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: