The rotating parts of the right front wheel assembly of a racing car have a mass of 35 kg and are measured to be out of balance. This unbalance can be corrected by attaching a 150 g lead weight to the 375 mm diameter wheel rim. The tire has a diameter of 700 mm. The car springs have a sti ness of 50 N/mm and the tire can be considered to have a sti ness of 600 N/mm, if the tire de ection is small. If the balance correction is not made, as what speed will resonant vibration of the wheel assembly occur
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Physics, 21.06.2019 22:50
If the temperature were raised very high, classically what would we expect the heat capacity per object to be for this one-dimensional system? give a numerical value. chigh t = __ j/k/object (one reason for the discrepancy is that the high-temperature limit assumes that the number of oscillators is large (n > > 1), which is not the case in this tiny system.)
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Physics, 22.06.2019 12:30
Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?
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An air-filled capacitor is formed from two long conducting cylindrical shells that are coaxial and have radii of 26 mm and 103 mm. the electric potential of the inner conductor with respect to the outer conductor is - 700 v (k = 1/4ฯฮต 0 = 8.99 ร 109 n ยท m2/c2) the energy stored in a 1.0-m length of this capacitor is closest to
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Physics, 23.06.2019 00:00
What is the difference between mass density and weight density?
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The rotating parts of the right front wheel assembly of a racing car have a mass of 35 kg and are me...
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