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Convert all units in Prob. 3-16 to the SI system and recalculate the lowest critical speed.
A solid disk weighing 10 Ib is keyed to the center of a ½ -in. steel shaft 2 ft between bearings. Determine the lowest critical speed.
(Assurne the shaft to be simply supported at the bearings.)
a 3 kg block slides with a speed of 1.1 ms on a frictionless horizontal surface until it encounters a spring.a. if the
A 1 012-kg satellite orbits the Earth at a constant altitude of 93-km. What is the change in the system's potential energy
Find the magnitude of a electric dipole formed by an electron and proton separated by a distance of d=4.3nm. The charge of the proton and electron is 1.6x10^-19 C.
What is the wavelength of the peak of the blackbody radiation curve for an emitter at temperature 242 K
A 24kg projectile is moving at 240m/s in the positive direction of the x axis when it explodes and divides into two fragments, What is the direction and speed of the other piece
question1a square plate of side a and mass m is thrown into the air so that it rotates freely under zero torque. the
A 3.65 uf capacitor, a 9.25 uf capacitor, and a 6 V battery are connected in parallel to make a complete circuit. what is the voltage of each capacitor
A typical hospital accelerator built for proton beam therapy accelerates protons from rest by passing them through and electric potential difference of magnitude 62MV. find the lorentz factor for these protons
An RLC circuit consists of a 863 ? resistor, a 49 µF capacitor, and a 265 mH inductor, connected in series with a 78.2 V, 96 Hz power supply. What is the phase angle between the current and the applied voltage? Answer between -180? and +180?
a force of 160 n stretches a spring 0.050 m beyond its unscratched lengtha what magnitude of force is required to
A horizontal force of 109 Newton pushes an 8 kilogram block up a frictionless incline that creates an angle of 23 degree with the horizontal. Find what is the acceleration of the block
a piano string having a mass per unit length equal to 4.80 10-3 kgm is under a tension of 1400 n. find the speed with
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