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In a popular amusement park ride, a rotating cylinder of radius 3.05 m is set in rotation at an angular speed of 0.45 revolutions per second, as seen above. The floor then drops away, leaving the riders suspended against the wall in a vertical position. What minimum coefficient of friction between a rider's clothing and the wall is needed to keep the rider from slipping?
A gas in an engine undergoes a reversible cycle in which 152 Joules of work are done and 419 Joules of heat are supplied by the fuel. what would the high temperature be
An object with mass 0.180kg is acted on by an elastic restoring force with force constant 10.5N/m. What is the amplitude of oscillation
A plane electromagnetic wave propagates in a vacuum in the z-direction. What is the mathematical expression for the magnetic field
A doubly charged helium atom whose mass is 6.6 *10^-27 kg is accelerated by a voltage of 3000V, What will be its radius of curvature
Consider three capacitors, of capacitance 2860 pF, 4570 pF, and 0.0011 ?F. what are the maximum and minimum capacitances that you can form from these
Calculate the momentum of a 17m^3 of air (density of 1.3kg/m^3) hitting a sky diver traveling 52 m/s
question joe walks 4 blocks north then turns east and walks 1 block. he finally walks 3 blocks south. how far is joe
An ambulance is generating a siren sound at a frequency of 2400 Hz. The velocity of sound is 34.0 m/s. What is the frequency of the siren perceived by the observer
monochromatic light strikes a diffraction grating at normal incidence before illuminating a screen 1.93 m away. compute the distance between the two second order maxima?
A student ate a Thanksgiving dinner that totaled 3000Cal . He wants to use up all that energy by lifting a 30-kg mass a distance of 1.0 m. How many times must he lift the mass
A sphere of copper is subjected to 146.9 MPa of pressure. The copper has a bulk modulus of 130 GPa. By what fraction does the volume of the sphere change
an astronaut weighs 150 lbs on the surface of the earth. what does she weigh if she is resting in the space shuttle
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