1. Pendulums What is a pendulum? Pendulum is a weight suspenoed b. How do you change the period of a pendulum? a.

Q: Need c only tq !

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Q: 1.2 m 10 m/s 30° d-

A: Given: Mass of the dart m = 0.020 kg launched at an angle θ = 30° (above the horizontal) initial…

Q: om surfaces. In a typical u ed image, the wavelength

A: Given: Human range of hearing is 20,000 Hz. Speed of waves travel is v=1500 m/s. Wavelength is 1 mm

Q: -component of the net force component of the net force

A: Given: Mass of standard body is 1 kg F1=(2.6 N)i+(3.8 N)j F2=(-2.4 N)i+(-6 N)j

Q: dicated heights are h1 = 7.4 m an at is the speed of the block at po at is the speed of the block at…

A: Given: Speed of small block is 9.5 m/s. Length is 12 m Kinetic friction coefficient is 0.70 Heights…

Q: How far from a 2.50

A: Given: q=2.5×10-6CV=130 Vk=9×109Nm2/C

Q: m/s) a spherical ra

A: Given: Diameter of spherical raindrop is 1.9 mm drag coefficient is 0.45 water density is 1000 kg/m3

Q: Find the three currents in the following figure. 2.0 1 1.0 0 5.0 V 1.0 0 5.0 V

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Q: 1. Determine, list and label which resistors are in parallel and which are in series. List all…

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Q: A 18 g ball of clay traveling east at 4.0 m/s collides with a 30 g ball of clay traveling north at…

A: Given: Here, the given details are, A 18 g ball of clay traveling east at 4.0 m/s collides with a 30…

Q: Can someone help me with problem, I need help with question A and B and I was wondering if you can…

A: Given, Surface charge density is  η=3.2μC/m2 and the diameter of the circular hole. The distance of…

Q: Use the following constants if necessary. Coulomb constant, k=8.987×10^9N-m2/C2. Vacuum…

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Q: Consider a plane, monochromatic, electromagnetic wave traveling in a homogeneous medium. Its…

A: Given the magnetic fieldBx = 0By= 0Bz= B0cos(9y + 2× 109t) y is in metre and t is in second.find…

Q: 3. An airline passenger drops a coin while the plane is moving at 245.0 m/s. What is the velocity of…

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Q: The figure shows a parallel-plate capacitor of plate area A = 10.7 cm² and plate separation 2d= 6.92…

A: The capacitance of a parallel plate capacitor with dielectric between its plate is given by   where…

Q: n 0, determine an expression f the strap needed to begin (a) 1

A: To find, a) for raising crate b) for lowering the crate'

Q: d. The capacitor is charged to charge Q and the battery stays connected. A dielectric constant « > 1…

A: If a dielectric constant K>1 is inserted between the plates the permittivity of the space will…

Q: A drain has a rectangular profile. W is the width of the drain in meters, and D is the depth of the…

A: The formula of flow per second is given by, Q=AnD23S12

Q: 2). Although it doesn't, let's pretend that Venus has an atmosphere similar to our own. It has a…

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Q: Two-lens systems. In the figure, stick figure O (the object) stands on the common central axis of…

A: Given:

Q: A positive point charge q+2pC of mass m-200g is released from rest in a uniform electric field…

A: Charge on particle = 2×10^-6 C. Mass = 200 gm = 200 × 10^-3 kg = 0.2 Kg  Electric field = 2 × 10^6…

Q: A spring mass system has a mass of 5 kg and k = 100N/m is pulled down a distance of 100 mm from the…

A: The maximum  velocity  of the system  is given by         V =wA   Where w = angular  frequency  (…

Q: 6. Discuss how the relative density of mass, radiation (primarily from the Big Bang) and dark energy…

A: Effect of expanding universe on relative density, radiation, and dark energy. Density of matter…

Q: A 2100-turn solenoid is 1.9 m long and 15 cm in diameter. The solenoid current is increasing at 1.4…

A: Given data:The no. of patches on the solenoid is n=2100.The length of the solenoid is l=1.9 mThe…

Q: b) Figure lb shows the forces acting at the same point. If the magnitude and direction of resultant…

A: Refer to the figure below :  In the figure,  tanϕ=125ϕ=67.38°

Q: Blood pressure, sometimes referred to as arterial blood pressure, is the pressure exerted by…

A: Bernoulli's Principle: In fluid dynamics, Bernoulli's principle states that an increase in the speed…

Q: 5) The energy levels of a quantum mechanical system are given by the equation: En hfo f = 10*Hz n =…

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Q: The gravitational attraction between two objects is 5.2×10$ N. The mass is 48 kg and are 2.0 meter…

A: Given data: Gravitational force (Fg) = 5.2×10-8 N Mass (m1) = 48 kg Distance between masses (r) =…

Q: While waiting for the CABS bus on the way home from physics class, your friend looks up at the…

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Q: Q12) Amass of 35 kg is acted on by two forces: force F, is 30 N to cast and force F; is 24 N to the…

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Q: Compute for what is being asked in the problem. Round off final answers to TWO significant digits.…

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Q: 7. A horizontal beam 6.0 m long projects from the wall of a building. A guy wire that makes an angle…

A: Given, L=6.0mθ=400

Q: Problem 2: Suppose the massless rod in the discussion of the nonlinear pendulum is a string of…

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Q: F, = CON ; Ez= 80N; NGO° W E %3D

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Q: Please help me solve these problems.

A: The velocity of the first ball is

Q: Q11) A boy of mass 40 Kg skies down a 20 m high bill if the friction force is not negligible and the…

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Q: 1. Want to hit the golf ball onto the green which is 60 ft away and 10 ft high. What is the minimum…

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Q: c) 2.3 d) 2.8 Q17) The kinetic energy of charge when it reached to the negative plate in joul is: a)…

A: Given : positive point charge, q=+2×10-6 C mass of particle is, m = 200 g initial velocity of…

Q: What is the insLantaneous velocity of the object at poin ph below?

A: The instantaneous velocity is given as the slope of the tangent to the position time curve.

Q: 2. A sample of n moles of a monatomic ideal gas are taken from a temperature of To to a temperature…

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Q: An ammeter of resistance 0.80 ohm can measure current up to 1.0 A. (i) What must be the value of…

A: We are aware that an ammeter with a 0.80 ohm resistance can measure currents up to 1 A.  R1=0.8 ohm…

Q: A physical pendulum consists of an 85-cm-long, 240-g-mass, uniform wooden rod hung from a nail near…

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Q: A hoop and a solid cylinder of same mass and radius are made of a permanent magnetic material with…

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Q: a. Two alternating currents are measured and are expressed by 1₁ = 4sin(300лt) amperes and by 12 =…

A: Solution:-Given thati1=4 sin(300πt)i2=12 cos(300πt)

Q: I need the answer is 2 significant number I d

A: Here the answer is 6.007 m/s which contains 4 significant figures,