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A10cm long animal tendon was found to stretch3.8mm by a force of13.0N. The tendon was approximately round with an average diameter of8.0mm. Calculate the elastic modulus of this tendon.
N/m2
A person whose eyes are 1.75m above the floor stands in front of the plane mirror. The top of her head is 0.11.
The frequency of an opera singer is 450 Hz. Assume the speed of sound in air is 340 m/s. What is the frequency heard by an observer who is running down the road towards the opera singer with a speed 25.0 m/s.
In a double-slit interference experiment, the wavelength is 477 nm, What is the linear distance between adjacent maxima on the screen
The rms speed of the molecules in 1.7g of hydrogen gas is 1700 m/s. What is the thermal energy of the gas
A beam of 16MeV deuterons (m=2mp) from a cyclotron falls on a copper block. The beam is equivalent to a current of 15 microA. At what rate is thermal energy produced in the block
Two organ pipes, open at one end but closed at the other, are each 1.27m long. One is now lengthened by 2.00cm. Find the frequency of the beat they produce when playing together in their fundamental.
A ramp is a simple machine which can be used to load heavy items onto a truck. What is the mechanical advantage of a ramp that makes the angle of 26o regarding the horizontal.
q1. in a science fiction story a microscopic black hole is given an enormous positive charge by firing an
A heart dysfunction that can cause death is ventricular fibrillation. This is an uncoordinated quivering of the heart as opposed to regular beating. what is the average power delivered
In a 261-turn automobile alternator, the magnetic flux in each turn is ?B = (2.62E-4 T*m2) cos(?t), determine the maximum emf in the alternator
A particle of mass m moves next to the x axis. Its position varies with time according to x=(3m/s^3)t^3-(4m/s^2)t^2.
Two particles are fixed to an x axis: particle 1 of charge q1 = 1.86 x 10-8 C at x = 27cm and particle 2 of charge q2 = -3.63q1 at x = 77.7cm. At what coordinate on the x axis is the electric field produced by particles equal to zero.
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