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Assume that if the shear stress in steel exceeds about 4.00 108 N/m2, the steel ruptures. (a) Determine the shearing force necessary to shear a steel bolt 1.20 cm in diameter. N (b) Determine the shearing force necessary to punch a 1.75-cm-diameter hole in a steel plate 0.660 cm thick. N
A 6.30 kg block is pushed 9.45 m up a smooth 40 degree inclined plane by a horizontal force of 70 degrees north. Calculate the work done by the normal foce
You throw a 20-N rock vertically into the air from ground level. You observe that when it is a height 14.5m above the ground, Use the work-energy theorem to find its maximum height
In the experiment, if the accelerating voltage is 300 V and the radius of the beam path is 3.2 cm, what is the Lorentz force on a single electron
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 12.0 cm, determine find the electric field just inside the paint layer
An electron of kinetic energy 35 keV moves in a circular orbit perpendicular to a magnetic field of 0.390 T. Find the radius of the orbit
You are applying a anti reflecting coating to your plane. You don't want to be seen by radar which uses 'light' of wavelength 2cm. determine the minimum thickness of this coating
A proton and an electron have the same kinetic energy upon entering a region of constant magnetic field. What is the ratio of the radii of their circular paths
Assume the earth is a sphere with its mass evenly distributed throughout. Find the moment of inertia of the earth about its axis of rotation
questionat a construction site a 65.0 bucket of concrete hangs from a light but strong cable that passes over a light
A 1.90-cm-high object is situated 12.8 cm in front of a concave mirror that has a radius of curvature of 10.4 cm, calculate the location and the height of the image
A falling stone takes 0.28 s to travel past a window 2.2 m tall. From what height above the top of the window did stone fall.
A 1kg ball with a speed of 3 m/s collides head on, elastically, with a 2 kg ball moving at 1 m/s. What will be the velocity of each ball after the collision
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