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If a washing machine drum has a radius of 27 cm and spins at a rate of 3.9 revs per second, what is the strength of the artificial gravity that the clothes are subjected to? Express answer as amultiple of G. Please work out this question using "math idiot"language and explain the steps in detail.
A concave shaving mirror has a radius of curvature of +39.9 cm. It is positioned so that the (upright) image of a man's face is 1.54 times the size of the face. How far is the mirror from the face
A block of mass m starts from rest at the top of a ramp of vertical height h . The block slides down frictionless ramp and reaches a speed v at the bottom . if the same bock were to reach a speed 3v at the bottom , it would need to slide down a fr..
he New England Merchants Bank Building in Boston is 152m high. On windy days it sways with a frequency of 0.20Hz, What is the total distance, side to side, that the top of the building moves during such an oscillation
A 246 kg wooden raft floats on a lake. as a 85 kg man stands on the raft, it sinks 5.0 cm deeper into the water. When he steps off, the raft vibrates for a while.
A wheel of radius 0.6 m starts from rest and accelerates without slipping with an angular acceleration of 2.0 rad/sec2 for 10 s. How far does the wheel travel in this time
Starting from rest, a constant force F = 100 N is applied to the free end of a 45-{\rm m} cable wrapped around the outer rim of a uniform solid cylinder, How Long does it take the cable to unwrap
a 5.2cm -thick layer of oil n1.46 is sandwiched between a 1.5cm -thick sheet of glass and a 2.3cm -thick sheet of
A clamped mechanical device (such as a metal ruler) oscillates in vacuum at a frequency (assume there is no damping in this case) of 10.0 Hz. Find the characteristic decay time for the damped motion
A 0.15 kg particle moves along an x axis according tox(t) = - 14 + 2 t + 5 t2 - 4t3, with x in meters and t in seconds. What are projections of the net force acting on the particle at t = 3.4 s on(a)x-axis,(b)y-axis,(c)z-axis?
We have studied diffraction from a single slit, where light is sent through a thin opening. how thick was this strand of hair
an lady bug walks 20.0 cm in a direction of 30.00 north of east. she then turns and walks 30.0 cm north turns and walks
A major-league pitcher can throw a baseball in excess of 41.9 m/s. If a ball is thrown horizontally at this speed, how much will it drop by the time it reaches the catcher who is 18 m away from the point of release.
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