Problem 3: Suppose a woman does 450 J of work and 9450 J of heat is transferred from her into the environment in the process AU- Part (a) What is the change in her internal energy, in joules, assuming she does not consume any food? Part (b) What is her percent efficiency?

Q: For hydrogen, find the frequency of light emitted in the transition from the 138th orbit to the…

A: Now the wavelength corresponds to the transition from 138th to 134th lineHence the frequency

Q: Problem 8: A boom with a mass of 101 kg is held in static equilibrium as shown in the figure. A mass…

A: Mass of boom =101kgMass of block M = 168 kgThetha = 52 degree.

Q: Q (-3.0 m, 0) y A B (0, +4.0 m) Ở (3.0 m, 0) (0.-6.0 m) Each Q shown is 60 μC. What work is required…

A: We have to find work done  i.eW=q∆V

Q: The length 3.76 mm is multiplied by 0.0232 mm. The appropriately rounded product is how many square…

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Q: The drawing shows an equilateral triangle, each side of which has a length of 1.52 cm. Point charges…

A: since the net force on  charge is vertically downward, the charges  must be negative and have same…

Q: Ha (femt = 4.57 x 1014 Hz) is emitted from the surface of a neutron star. Its radius is 1.23 x 104 m…

A: We know that  line has a typical wavelength of 656.46 nm in vacuum.Now, according to the question,…

Q: An 6-kg mass is attached to a spring hanging from the ceiling and allowed to come to rest. Assume…

A: As  per data

Q: 5. Find the final temperature of 100 g copper block that is heated to a temperature of 500° C and…

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Q: Consider a configuration with four point charges located at the corners of a square (see figure),…

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Q: A stars spectrum emits more radiation with a wavelength of 700.0 nm than with any other…

A: GivenA star's spectrum emits more radiation with a wavelength of 700.0 nm than with any other…

Q: In the figure here, three particles of mass m = 0.030 kg are fastened to three rods of length d=…

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Q: .A 50.0 kg boy sits on a 40.0 kg sled which is resting on the ice of a pond (zero coefficient of…

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Q: The velocity of a 5.00 kg particle is given by 7 = (6.00tî + 5.00t² ĵ) m/s, with time t in seconds.…

A: Solution     Given data Mass m = 5.0 kgVelocity of particle v→=(6ti^+5t2j^)m/sMagnitude of force…

Q: Two couples act on the frame. (Figure 1) Figure 100 lb 30% 13 ftd-3f1-B A ve 30⁰ 100 lb 150 lb 4 ft…

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Q: Two point charges lie on the $x$ axis. A charge of +9.96 $\mu C$ is at the origin, and a charge of…

A: The electrical characteristic of particles like electrons and protons is described by the…

Q: An object undergoes constant acceleration. Which of the following statement(s) MUST be TRUE? A The…

A: Aceeleration is defined by change in velocity in a short period of time i.e when an object moves…

Q: A funny car accelerates from rest through a measured track distance in time 57 s with the engine…

A: Given,The constant power, The time, The differential amount, The differential time,

Q: It is said that Galileo discovered a basic principle of the pendulum- that the period is independent…

A: Time Length Angle Velocity maximum

Q: The charges Q₁ = 3.6 x 107 C, 9₂ = -6.0 x 107 C, and q3 = -1.1 x 107 C are placed at the corners of…

A:

Q: 4(x) =

A: Now here given the values that,a=7.50cm=0.075mProbability 87%=0.87So now we get from normalization…

Q: A 500 g particle oscillating in SHM travels 39 cm between the two extreme points in its motion with…

A:

Q: The spool again The spool is being slightly pulled (not too hard so it doesn't slip) in the exact…

A:

Q: 2. Estimate your own luminosity (in terms of Stefan-Boltzmann law). Express the result in both…

A: The luminosity of a body is the total power radiated by it

Q: A pair of long, rigid metal rods, each of length L, lie parallel to each other on a perfectly smooth…

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Q: Fis the only force acting on the object of mass m. The force has a magnitude of B and acts at the…

A: According to the question, no force is exerted on the body of mass m except F. The component of…

Q: A 1100N uniform boom is supported by a cable perpendicular to the boom, as seen in the figure below.…

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Q: The position of a particle is given by the following equation: x = (2 m/s³) t³+ (2.5 m/s) t where t…

A: The position of a particle is given byx(t)=2t3+2.5t where t is in secondsNow the velocity of the…

Q: A 3.0 cm tall object is 15 cm in front of a convex mirror that has a -25 cm focal length. Determine…

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Q: and the 10.64 Figure P10.64 The mechanism shown in Fig. P10.64 is used to raise a crate of supplies…

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Q: Four charges, qa, qb, qc, qd are fixed at the corners of a square. A charge q that is free to move…

A: Based on the description of the question there can be as many as six different cases or scenarios.In…

Q: A cosmic ray electron (m= 9.1*10-31 kg) moves at 7.13*106 m/s perpendicular to the Earth's magnetic…

A: Mass of electron me = 9.1 × 10-31 kg Velocity of electronve = 7.13 × 106 m/s Strength of Magnetic…

Q: 5) A horizontal wire holds a uniform ball of mass m, and radius R in place on an inclined plane with…

A: Giventhe mass of the ball is mthe radius of the ball is RThe angle of the inclined plane is Need to…

Q: You have enrolled in a scuba diving class and while swimming under water in a nearby lake you look…

A: i=24°

Q: Problem 1: One end of a spring with a spring constant of 159 N/m is held firmly in place, and the…

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Q: In exercising, a weight lifter foses 0.107 kg of water through evaporation, the heat required to…

A: Given-the amount of water the weight lifter loses, the work done in lifting weights, the latent heat…

Q: A small block with mass 0.0400 kg is moving in the xy-plane. The net force on the block is described…

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Q: Exercise 7.9 A small rock with mass 0 16 kg is released from rest at point A, which is at the top…

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Q: Needs Complete typed solution with 100 % accuracy.

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Q: A bullet of mass m 8.00 g is fired into a block of mass M 280 g that is initially at rest at the…

A:

Q: 19) This same scenario can be analyzed by using conservation of energy. What type of mechanical…

A: Of course! The interconversion of potential energy, kinetic energy, and rotational energy can be…

Q: Two identical, small insulating balls are suspended by separate 0.31-m threads that are attached to…

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Q: A wrecking ball (weight = 4510 N) is supported by a boom, which may be assumed to be uniform and has…

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Q: If a person's body has a density of 991 kg/m³, what fraction of the body will be submerged when…

A: At equilibrium, the upward buoyancy force balances the downward weight of the object.

Q: flat plate with surface area of 4.4 m² is sliding on a horizontal table with 4.5 mm thick oil layer…

A: Force F=5.2NSurface area A= 4.4 m^2thickness of the layer t= 4.5mm=dynamic viscosity

Q: A person slides a small ball with speed u along the floor from point A. If x= 3.7 m, R = 1.3 m,…

A:

Q: A crate of eggs is located in the middle of the fat bed of a pickup truck as the truck negotiates an…

A: Coefficient of friction =0.560radius of circle R= 38macceleration due to gravity g=9.8m/s^2

Q: A 0.30-kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.20 - kg…

A:

Q: A technician wearing a circular metal band on his wrist moves his hand (from a region where the…

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Q: Needs Complete typed solution with 100 % accuracy.

A: From the diagram,By taking the x direction,we have