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A physics student is standing on an initially motionless,frictionless turntable with rotational inertia 0.31kg·m2. He's holding a wheel of rotational inertia0.22 kg·m2 spining at 128 rpm about a vertical axis, as we showed inFig. 11.8. When he turns the wheel upside down, student andturntable begin rotating at 80 rpm.a) What is the student's mass, considering him to be acylinder 30 cm in diameter?b) How much work did he do in turning the wheel upside down? Neglect the distance between the axes of the turntable and wheel.
a 14.0 mu f capacitor and a 5.25 mhinductor are connected in series with an open switch. the capacitor is initially
If the original force between two objects is 0.86N, and the distance is tripled, what is the new gravitational force between the objects
A gymnast with mass m1 = 41 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 108 kg and length L = 5 m. Each support is 1/3 of the way from each end. at least the gymnast stands at the left end of..
A two-stage rocket accelerates from rest at +3.27 m/s^2 for 6.82seconds. It then accelerates at +2.98 m/s^2 for another 5.90seconds. After the second stage, it enters into a state of freefall.
A magnetic field is oriented at an angle of 43 degrees to the normal of a rectangular area 4.7cm by 6.9cm . If the magnetic flux through this surface has a magnitude of 4.8×10^?5T*m^2 , what is the strength of the magnetic field?
A crate of mass 12.5 kg is pulled up a rough incline with an initial speed of 1.50 m/s. The pulling force is 100 N parallel to the incline, How much mechanical energy is lost due to friction
The drawing shows a positive point charge +q1, a second pointcharge q2 taht may be positive or negative, and a spot labeled P,all on the same straight line. The distance d between the twocharges is the same as the distance between q1 and the spot ..
A window air-conditioner unit absorbs 9.75×10^4J of heat per minute from the room being cooled, What is the power consumption of the unit in watts
A bicycle wheel initially rotating at 3 rad/s, the rotation increases to 7 rad/s within 6 seconds. Find the bicycle wheel's angular acceleration in rad/s^2
The coefficient of static friction between a rope and the table on which it rests is µs. Find the fraction of the rope that can hang over the edge of the table before it begins to slip. (Use mu_s for µs.)
question1the distance between an object and its image is fixed at 40.0 cm. a converging lens of focal length f 6.53 cm
An object falls because of gravity at the rate of -920 cm/s2 (- sign is indicative of a downward direction) for 10.00 Seconds. If it starts from rest (vo = 0) and its position starts from do= 0.0, where is it 10.00 Seconds later.
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