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A rubber is subjected to a shear stress such that λx=l, λy=1. Obtain an expression relating the shear stress, and the shear strain, assuming shear strain=λ-1/λ. Comment on the difference between this stress/strain relationship and the one for simple elongation.
In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 470 nm. What is the stopping voltage required if light of wavelength 410nm is used
What focal length does the lens require
Assume that the brakes in your car create a constant deceleration, regardless of how fast you are going. If you double your driving speed, how does this affect the time required to come to a stop
Calculate the number of electrons in a steel iron pinhead. The pinhead may be assumed to be spherical with a diameter 2mm
A 9 kg hammer strikes a nail at avelocity of 8.9 m/s and comes to restin a time interval of 8.0 ms. What is the impulse given to the nail
A projectile is launched with a momentum of 200 kg • m/s and 1000 J of kinetic energy. What is the mass of the projectile
A catcher catches a 145 g baseball traveling horizontally at 38.0 m/s. How large an impulse does the ball give to the catcher
Orb spiders make silk with a typical diameter of 0.15 .A typical large orb spider has a mass of 0.50. If this spider suspends itself from a single 12-cm-long strand of silk, by how much will the silk stretch
An electron with 184eV of kinetic energy in free space passes over a finite potential well 72eV deep that stretches from x=0 to \(x = 0.5\) nm. What is the electron's wavelength in free space
a. A healthy young man standing at a distance of 7 m from a ll"8 m high building sees a kid slipping from the top floor. With what speed (assumed uniform) should he run to catch the kid at the arms height (1"8 m) ?
The vertical component of this force is 128 newtons, as the horizontal component is 145 newtons. Calculate the magnitude of F.
a 5-microf capacitor is charged to 30 v and is then connected across a 10-microh inductor. the maximum value of the
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