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The angular velocity of a 755-g wheel 15.0 cm in diameter is given by the equation ω(t) = (2.00 rad/s2)t + (1.00 rad/s4)t3.
(a) Through how many radians does the wheel turn during the first 2.00 s of its motion?
(b) What is the angular acceleration (in rad/s2) of the wheel at the end of the first 2.00 s of its motion?
A uniform rod of mass 3.05×10?2kg and length 0.450m rotates in a horizontal plane about a fixed axis through its center and perpendicular to the rod. What is the angular speed of the rod after the rings leave it?
A space probe accelerated uniformly from 50 m/s at t = 0 to 150 m/s at t = 10 sec. How far did it move between t = 2.0 sec and t = 6.0 sec
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A 9.8 kg object oscillates at the end of a vertical spring that has a spring constant of 1.9 * 10^4 N/m. The effect of air resistance is represented by the damping coefficient b= 3.00 Ns/m.
Most of the blackholes observed by astronomers have masses equal to a few solar masses (the result of the death of a high mass star) or have masses equal to several million solar masses
The Hall effect can be used to determine the density of mobile electrons in a conductor. Find the density of mobile electrons in the material
A 34.7 m long aluminum wire at a temperature of 24.3 oC has a radius of 0.295 mm. determine the current in the wire
A plastic rod is rubbed against a wool shirt there by aquiring the charge of -0.80 mC. how many electrons are transfered from the wool shirt to the plastic rod.
Michelle is enjoying a picnic across the valley from a cliff. She is playing music on her radio, what is the intensity of the music arriving at the cliff
You are designing a digital camera, and want each detector element to have a width equal to the distance between the first zeros of the first zeros of the diffraction-limited point spread function
Two people stand 5.20 m apart and 4.00 m away from a large plane mirror in a dark room. At what angle of incidence should one of them shine a flashlight on the mirror so that the reflected beam straight strikes the other person.
On earth, two parts of a space probe weigh 13500 N and 3790 N. These parts are separated by a center-to-center distance of 14.4 m, Find the magnitude of the gravitational force
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