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The 30-kg turbine disk has a centroidal radius of gyration of 175 mm and is rotating clockwise at a constant rate of 60 rpm when a small blade of mass 51 grams at point A becomes loose and is thrown off. Neglecting friction, determine the change in the angular velocity of the turbine disk after it has rotated through
(a) 90°,
(b) 270°.
Now suppose that the two masses continue to move at the speed from Part A until they encounter a rough surface. The coefficient of friction between the masses and the surface is . If the blocks come to rest after a distance, which of following equ..
A 66.00-cm guitar string under a tension of 70.00 N has a mass per unit length of 0.10000 g/cm. What is the highest resonant frequency that can be heard with a person capable of hearing frequencies up to19000 Hz?
It is 156 cm from your eyes to your toes. You're standing 212 cm in front of a tall mirror. How far is it from your eyes to the image of your toes
A girl is jumping on a trampoline and reaches a maximum height of 3.1 meters, h=3.1m. She has a mass of m = 53kg. what is the spring constant k in N/m of the trampoline
Calculate the force required to move an object.
Consider the spherical Gaussian surface shown in the figure below. It is situated near a point charge Q which is located a distance 4r from the center of the sphere and outside the Gaussian surface. Calculate the net electric flux during this surface..
A particle with a charge of q = -5.10 nC is moving in a uniform magnetic field of vec{B}=( -1.24 T ) hat{z}. The magnetic force on particle is measured to be vec{F}= ( -7.60×10-7 N )hat{y}.
Unpolarized white light is incident on a po- larizer and then falls on an analyzer whose TA makes an angle of %u03B8 = 33.8%u25E6 with the polarizer, What is the fraction of the original light transmitted through both the polarizer and analyzer
Two people pull as hard as they can on horizontal ropes attached to a boat that has a mass of 200 kg. If they pull in the same direction, the boat has an acceleration of 1.59 m/s2 to the right. If they pull in opposite directions, the boat has..
Violet light and red light travel through air and strike a block of plastic at the same angle of incidence. Find the index of refraciton for violet light in plastic
A weightlifter lifts 50 kg a total vertical distance of 0.28 m at a constant speed in 1.00 seconds. What power was exerted
culture refers to the cumulative deposit of knowledge experience beliefs values attitudes meanings hierarchies religion
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