Physics, 31.05.2020 03:00 Chavens520
There is a small scratch on a disco record located 14.5 cm from the center. When played, the scratch makes the record skip 30 times each minute (i. e., the scratch passes under the record player needle 30 times per minute). What is the linear speed of the scratch as it turns
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The a metal retainer that keeps the rolling elements evenly spaced. n a. seal n b. separator n c. bearing n d outer race
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Along wire of diameter 1 mm is submerged in an oil bath of temperature ∞ 31°c. the wire has an electrical resistance per unit length of 0.01 ω/m. if a current of 103 a flows through the wire and the convection coefficient is 500 w/m2·k, what is the steady-state temperature of the wire? from the time the current is applied, how long does it take for the wire to reach a temperature that is within 1°c of the steady-state value? the properties of the wire are 8000 kg/m3, 500 j/kg·k, and 20 w/m·k.
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You can estimate the degree to which a bond between two atoms is ionic or covalent by calculating the
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There is a small scratch on a disco record located 14.5 cm from the center. When played, the scratch...
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