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A uniform rod of length L and mass m is supported as shown. If the cable attached at end B suddenly breaks, determine
(a) the acceleration of end B,
(b) the reaction at the pin support.
Four masses lie in a rectangular arrangement in the xy-plane. One mass is at the origin and the rectangular legs are parallel to the CS axes. obtain the net gravitational force on each of the masses
If in joule's paddlewheel experiment a block of mass 10 kilogram is allowed to fall through 22.5 m and the mass of the water is 50 g. Determine the total increase in temperature of the water
Consider a very small charged sphere that contains 39 electrons. At what distance from the center of the sphere is the potential equal to -25 V
A volleyball is spiked so that its incoming velocity of +4.2 m/s is changed to an outgoing velocity of -24 m/s. What impulse does the player apply to the ball
Two force vectors point in opposite directions and have the same magnitude. If their magnitudes are 36.5 Newton’s, then what is the magnitude of their sum?
A microscope with an eyepiece lens of focal length 1.90 cm and an objective lens of focal length 1.15 cm is used to examine a section of the brain of a sacrificed rat. The distance between the lenses of the instrument is 24.0 cm and final image is vi..
Part A. How close to the right edge of the 56 kg picnic table shown in the figure can a 81kg man stand without the table tipping over? Express your answer to two significant figures and include the appropriate units.
A wheel of radius R = 20.4 cm, mass M = 2.47 kg, and moment of inertia I is mounted on a frictionless, horizontal axle as in the figure. A light cord wrapped around the wheel supports an object of mass m = 0.514 kg.
At time t = 0 s, a wheel has an angular displacement of zero radians and an angular velocity of +15 ras/s. The wheel has a constant acceleration of -0.45 rad/s2. In this situation, the maximum value of the angular displacement, in rad, is closest to:
assume that at low temperatures only the lattice vibrations and the electrons treated as a fermi gas contribute to the
A tennis player, when performing a serve, applies an average force to a tennis ball of 525 N to a 55 g ball. What is the speed of the ball as it leaves the racket
The depth of the pacific ocean in the Mariana Trench is 11 km. What is the pressure at this depth? (density of sea water is 1.025x10^3 kg/m^3.
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