A 2.00 m long horizontal uniform beam of mass 20.0 kg is supported by a wire as shown in the figure. The wire makes an angle of 20.0 degrees with the beam. Attached to the beam 1.40 m from the wall is a ball with a mass of 40 kg. What is the tension in the string? a)1,000 Nb) 1,090 N c) 2,100 N d) 2,250 N e) 2,680 N

Q: 1. One string vibrates at a fundamental frequency of 30 Hz. A second string of the same mass and…

A: Frequency of first string, f = 30 HzFrequency of second string, F = 28 HzRatio of the tension of the…

Q: A canoe has a velocity of 0.470 m/s  southeast relative to the earth. The canoe is on a river that…

A: Canoe velocity vc = 0.470 m/s , Southeast relative to the earth. River velocity vr = 0.450 m/s, east…

Q: You are a member of a citizen's committee investigating safety in the high school sports program.…

A:

Q: A sign hangs from a wall, as shown. The upper left corner is supported by a pin joint, firmly…

A:

Q: a cube has a charge density of p0=3xyz. The cube is 4x4 m and is centered at the origin. Find the…

A:

Q: 42. • A bunch of grapes is placed in a spring scale at a supermarket. The grapes oscillate up and…

A: To calculate the mass of the grapes,needed formula: T=2π where, T= time period, m=mass, k=spring…

Q: A 9,700-kg truck runs into the rear of a 1,000-kg car that was stationary. The truck and car are…

A:

Q: # 18. A police car sounding a siren with a frequency of 1.580 [kHz] is km] traveling at 120.0…

A: Frequency=1.580khz,,Speed=120.To find,a)In car approach:     Frequency observed=?  In car receded:…

Q: figure below shows a box-shaped closed surface with one of its edges lying on the x-axis, and its…

A:

Q: A 50 kg box is pushed with a force of 200 N along a horizontal surface. If the coefficient of…

A: When a box is pushed along a surface, two main forces come into play: the applied force and the…

Q: A particle with mass m is moving along the x-axis in a potential given by the potential energy…

A: The potential energy function U(x)=0.5mω2x2 describes a simple harmonic oscillator in quantum…

Q: 20. An ideal horizontal spring-mass system oscillates with a period of 0.55 seconds. The mass is 3…

A: Time period of oscillation (T)=0.55 sMass(m)=3 kg

Q: A block of mass m = 2.00 kg situated on an incline at an angle of 0 = 35.0° is connected to a spring…

A:

Q: Which of the following statement (s) is/are correct? (1) Wk+W = R (2) Wk and U form an…

A:

Q: 1.If 10 pounds of ice starts at ten degrees and is changed to steam at 400 degrees in twenty…

A: Since  you  have  posted  multiple  questions  with  multiple  sub  parts, we  will  provide  the…

Q: Force (N) 2004 100+ 0.001 Time (s) 0.002 0.003

A: Mass of the golf ball (m) = 4.5 gInitial velocity of golf ball will be zero before struck.

Q: A completely smooth table has a circular end with radius R=40.0 cm. The height of the table is h=…

A:

Q: Heat is an electromagnetic wave. If the period of this wave is 2.52x10-3 ps in air, what is the…

A: This problem can be solved using basic formula speed of electromagnetic waves

Q: In outer space, a rocket ship starts from rest and moves in a straight line with a constant…

A: The space vehicle is initially at rest, that is, Acceleration for time  is Acceleration for the next…

Q: A charge of q = 2.00 x 10-9 C is spread evenly on a thin metal disk of radius 0.200 m. (a) Calculate…

A:

Q: (40) A long wire of radius R has a uniform current density Jo. Find the magnetic field inside the…

A:

Q: A skateboarder with his board can be modeled as a particle of mass 72.0 kg, located at his center of…

A:

Q: A light ray is directed toward the surface of a block of crown glass at an angle of 34.0° with…

A:

Q: A boy has lost his toy in the pool. He is able to shine a flashlight on the toy and illuminate it at…

A: In the question it is given that height of the flashlight above the water surface is;h=1.10…

Q: A circular loop of wire with radius r= 0.0250 m and resistance R = 0.380 Q is in a region of…

A:

Q: The time it takes to stop is 33,49s. But how many revolutions does it make before it stop?

A: Given that initial angular momentum of the wheel,and according to the solution of the this question…

Q: You are standing on one side of a river and a tree is directly across from you. You then walk a…

A:

Q: A long wire is wrapped into a cylindrical shape by turning it around and around many times. Then the…

A: When a long wire is wrapped into a cylindrical shape and placed upright on a tabletop, essentially…

Q: Globular clusters contain no stars more massive than the Sun. Which of the following seems like the…

A: First, we are aware that no stars more massive than the Sun can be found in globular clusters. Any…

Q: A boy releases his 2.0 kg toy, from rest, at the top of a sliding-pond inclined at 20o above the…

A:

Q: While sitting in your spaceship, you start spinning a basketball on your finger. The spaceship is…

A:

Q: A solid conducting sphere radius 2.00 cm has a charge of 8.30 µC. A conducting spherical shell of…

A:

Q: A sphere with radius 0.245m has density ϝ that decreases with distance r from the center of the…

A: Radius of sphere                             The density of the sphere,…

Q: Which of the following is least reasonable regarding novae and supernovae? Group of answer choices…

A:

Q: If a suspended object A is attracted to a charged object B, can we conclude that A is charged?…

A: Given suspended object A is attracted to a charged object B.

Q: WORKED EXAMPLE 10 A body of mass 5 kg moves in a straight line and is retarded by a force of 20…

A:

Q: An ultrahigh-vacuum system operates at a pressure of 10³ Pa. What is the concentration of residual…

A: The concentration of residual air molecules in an ultrahigh-vacuum system can be estimated using the…

Q: Using figure 4.3 calculate the voltage drop across Load 2, given the following values: (Answer in…

A: Current in load 1 (I1) = 42 A Current in load 2 (I2,) = 42 A Current in load 3 (I3,) = 42 A R1 =…

Q: Four spheres form the corners of a square whose sides are 6 cm long. The masses of the spheres are…

A:

Q: BμC 60,0 A µC 0.500 m e-x Ⓡ (a) Three point charges, A = 2.10 µC, B = 6.50 μC, and C= -4.75 μC, are…

A:

Q: Which of the following sketches best illustrates the sound wave patterns produced by a car horn, if…

A: Wave Fronts: When the horn is moving at a constant velocity through a medium (like air), it…

Q: Shown in the figure below is a point charge surrounded by two conducting spherical shells (Shell 1…

A:

Q: A hot rod car can accelerate from 0 to 60 km/h in 7.0s. (a) What is its average acceleration during…

A:

Q: planet rotates on its axis, a point on its equator travels at 267,558 miles per year (a) find the…

A:

Q: e having ice Ower supply, how hem in a paralle red across each he prior problem ?

A:

Q: A cylinder with a cross sectional area of 56.56 cm² is sealed with a piston that is free to move…

A: Cross section area of piston A= 56.56 cm2 = 56.5610-4 m2Initial height h= 18.77 cm = 18.7710-2 m…

Q: A laser pointer (as shown in the figure below) supplies an output power of P = 3.78e-03 Watts at a…

A:

Q: Verify the Jacobi identity for Poisson brackets, {A, {B, C'}} + {B, {C, A}} + {C, {A, B}} = 0…

A:

Q: 20. •• Gravitational Tug of War At some point along the direct path from the center of the Earth to…

A: The gravitational force of attraction on the spacecraft from the moon becomes greater than the force…

Q: A point charge q1= +7.00 µC is held stationary at the origin. A second point charge q2= -7.40 µC…

A: The potential energy between the two charges is given by where, r is the distance between the two…

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.