A typical muscle fiber is 2.0 cm long and has a cross- section area of 3.1\times 10-9m2. When the muscle fiber is stimulated, it pulls with a force of 1.2 mN. What is the work done by the muscle fiber as it contracts to a length of 1.4 cm?

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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

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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…

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A: For first casePressure P=1 atmVolume V=4.3 LFor second case Pressure P'=0.33 atmVolume…

Q: 4. A +3.0 x 10-5 C charged particle with a mass of 2.0 x 104 kg is ejected through the top positive…

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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…

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

A: Time Length Angle Velocity maximum

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Q: A satellite has a mass of 6286 kg and is in a circular orbit 4.37 x 105 m above the surface of a…

A: In the circular orbit of a satellite, a centripetal force is provided by the gravitational force…

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Q: (from Ohanian, p 542) A submarine suddenly breaks up at a depth of 142 m below sea level. The air in…

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Q: 4(x) =

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

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

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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

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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…

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

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A: We will use the concept of work done

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A: Given Data: The mass of the airplane is M=3.16×104 kg.The airplane takes off under the influence of…

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: Charge q₁ = 3.00 nC is at x₁ = 0 and charge q₂ = 5.00 nC is at x₂ = 4.00 m. At what point between…

A: charge q1=3.00 nc at x1=0charge q2=5.00 nc t x2=4.00 m

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A: i=24°

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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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