The difference between the pressures inside and outside a tire is called the absolute pressure
a. True
b. False
Indicate whether the statement is true or false
False
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A proton is accelerated from rest through a potential difference of 150 V. It then enters a region of uniform magnetic field and moves in a circular path (radius = 12 cm). What is the magnitude of the magnetic field in this region?
a. 18 mT b. 12 mT c. 15 mT d. 22 mT e. 10 mT
The current through a circuit consisting of a single battery and single resistor is measured to be 0.25 ampere. Another identical battery and another identical resistor are added to the circuit. The current passing through the circuit is
A. 0.125 A. B. 0.50 A. C. 0.25 A. D. dependent on how the battery and resistor are added to the circuit.
An AC series circuit contains a resistor of 30.0 ?, a capacitor of 1.22 ?F and an inductor of 154 mH. What frequency should be used to create a resonance condition in the circuit?
a. 3.49E+2 Hz b. 8.48E+2 Hz c. 9.21E+2 Hz d. 3.67E+2 Hz e. 7.35E+2 Hz
A 5.0-kg mass is attached to the ceiling of an elevator by a rope whose mass is negligible. What force does the mass exert on the rope when the elevator has an acceleration of 4.0 m/s2 upward?
A. 69 N downward B. 29 N downward C. 49 N downward D. 20 N downward E. 19 N downward