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A uniform horizontal beam 5.00 m long and weighing 320 N is attached to a wall by a pin connection tht allows the beam to rotate. Its far end is supported by a cable that makes an angle of 53 degrees with the horizontal. The cable can support a maximum tension 400 N. A man weighing 600 N is standing on the beam. How far out on the beam can the person stand without breaking the cable?
A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of 3.27 m/s. What is his speed when he catches up
A spherical cavity is excised from the inside of the sphere. The cavity has radius a4and is centered at position h, Find the electric field inside the cavity
compute the mean scattering cross-section at a frequency of 5 MHz of a distribution of air bubbles of 3 μm mean radius, assuming a Gaussian size distribution of a variance of 1 μm and 1.5 μm. The total damping constant is 1.0.
What is the difference between a vector's x scalar component, How do equilibrant and resultant vectors relate to each other
Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occuring electrons is removed. The radius of the orbit is 4.41 × 10-11 m. Determine the magnitude..
A gymnast with mass m1 = 47 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 118 kg and length L = 5 m. Each support is 1/3 of the way from each end. Initially the gymnast stands at the left end ..
At t=0 a grinding wheel has an angular velocity of 24.20 rad/s. It has a constant angular acceleration of 24.2 rad/s^2 until a circuit breaker trips at t = 1.2 seconds.
An explosion breaks an object into two pieces, one of which has 1.48 times the mass of the other. How much kinetic energy did the heavier piece acquire
A shoe store uses small floor-level mirrors to let customers view prospective purchases. At what angle from vertical must such a mirror be inclined so that a person standing 59 from the mirror with eyes 142 off the floor can see her feet.
A box of 10 kg is being pulled across a floor with a tension force of 50 N. Assume the box started from rest and reached a speed of 2 m/s
A series RLC circuit contains a resistor of 20 ohms, a capacitor of 0.75x10^-6 F, and an inductor of 0.120 H. what is the rms current in the circuit when operating at its resonance frequency
What must the charge (sign and magnitude) of the particle of mass 1.42 g be for it to remain stationary when placed in a downward-directed electric field of magnitude 650 N/C.
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