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Honeybees acquire a positive charge while flying through the air. The rapid motion of the wings through the air provides the "friction" to strip charges off the bee, just like running a comb through your hair. Assume that a bee has acquired a charge of 10.0picoCoulombs, and is hovering 1.9mm above a pollen grain, which has a charge of ?1.0×10?2picoCoulombs. Treat both the bee and pollen as point charges.
A) What is the strength of the electrostatic force on the pollen grain?
B) If the pollen grain's mass is 3.2×10?9g,what is the strength of the gravitational force on the pollen grain?
C) Does the pollen have to be negatively charged to be attracted to the bee?
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A series RCL circuit contains a 48.0-? resistor, a 2.70-?F capacitor, and a 3.75-mH inductor. When the frequency is 2590 Hz, what is the power factor of the circuit
At time a grinding wheel has an angular velocity of 21.0. It has a constant angular acceleration of 26.0 until a circuit breaker trips at time = 1.6. From then on, the wheel turns through an angle of 435 as it coasts to a stop at constant angular dec..
A capacitor is consists of two short sections of parallel wires in air. One wire is found to be of the voltage of 58 V, What is the capacitance of the two wires
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Explain by how much time elapses while the auto moves the 180 ft? If the acceleration is constant, how much time elapses while the auto moves the 180 ft.
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