Determine angular momentum of particle about the origin
A 1.90 kg particle moves in the xy plane with a velocity of = (4.20i - 3.90j ) m/s. Determine the angular momentum of the particle about the origin when its position vector is r= (1.50 + 2.20 ) m. ( i+ j + k) kg·m2/s
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The headlights of a moving car require about 10 A from the l2 V alternator, which is driven by the engine. Assume the alternator is 80% efficient (its output electrical power is 80% of its input mechanical power), and calculate the horsepower the
A uniform solid sphere of radius 0.491 m and mass 14.0 kg turns counterclockwise about a vertical axis through its center (when viewed from above). Find its vector angular momentum when its angular speed is 2.98 rad/s.
An electric current is given by the expression I (t) = 100 sin (120πt), where I is in amperes and t is in seconds. What is the total charge carried by the current from t = 0 to t = (1/240) s?
An electrical conductor designed to carry large currents has a circular cross section 2.50 mm in diameter and is 14.0 m long. The resistance between its ends is 0.104 n.
A 1.90 kg particle moves in the xy plane with a velocity of = (4.20i - 3.90j ) m/s. Determine the angular momentum of the particle about the origin when its position vector is r= (1.50 + 2.20 ) m.
A sinusoidal wave with an amplitude of 4.0 cm and a wavelength of 1.6 m travels along the string. What is the maximum speed of a particle on the string?
A transformer has N1 = 350 turns and N2 = 2 000 turns. If the input voltage is ?v (t) = (170 V) cos wt, what rms voltage is developed across the secondary coil?
A potential difference of 90 mV exists between the inner and outer surfaces of a cell membrane. The inner surface is negative relative to the outer surface. How much work is required to eject a positive sodium ion (Na+) from the interior of the ce
An air capacitor is made from two flat parallel plates 1.50 mm apart. The magnitude of charge on each plate is 0.0180µC when the potential difference is 200 V. (a) What is the capacitance?
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