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A steel cable with total length 26 m and mass 140kg is connected to two poles. The tension in the cable is 6,521 N, and the wind makes the cable vibrate with a frequency of 2 Hz. Calculate the wavelength of the resulting wave on the cable.
A circular wire loop, with a single turn, has a radius of 14.0 cm. The loop is in a magnetic field that is decreasing at the rate of 0.500 T/s. determine the magnitude of the emf induced in the loop
the disk of the milky way is about 105 light years in diameter. a cosmic-ray proton enters the galactic plane with
The maximum torque experienced by a coil in a 1.1-T magnetic field is 8.5 x 10-3 N•m. Obtain the length of wire from which coil is made
a uniform 2000 kg beam 10 m long supports a 500 kg weight 3 m for the right support. calculate the forces in each of the vertical support columns
An Archer standing on a 15o slope shoots an arrow 20o above the horizontal. Compute how far down the slope does the arrow hit
A skater is initially spinning at a rate of 13.1 rad/s with a rotational inertia of 2.54 kg·m2 when her arms are extended. What is her angular velocity after she pulls her arms in and reduces her rotational inertia to 1.64 kg·m2?
In an oscillating LCcircuit, when 86.0% of the total energy is stored in theinductor's magnetic field, what multiple of the maximum current is in the inductor
a person who weighs 625 n is riding a 98-n mountain bike. suppose that the entire weight of the rider and bike is
A Volleyball is spiked so that it has an initial velocity of 15 m/s directed downward at an angle of 55 degrees below the horizontal. Find the horizontal component of the ball’s velocity when the opposing player fields the ball?
A horizontal circular platform rotates counterclockwise about its axis at the rate of 0.875 rad/s. You, with a mass of 69.5 kg, Calculate the total angular momentum of the system
Calculate the angular velocity? of an electron orbiting a proton in the hydrogen atom, given the radius of the orbit is 0.500x10-10 m . You may assume that the proton is stationary and the centripetal force is supplied by Coulomb attraction.
In proton-beam therapy, a high-energy beam of protons is fired at a tumor. The protons come to rest in the tumor, What is the total charge of the protons that must be fired at the tumor to deposit the required energy
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