The quantity "strain" expressed in terms of the fundamental quantities (mass, length, time) is equivalent to
a. MLT?1.
b. ML?1T?2.
c. M2L?1T?3.
d. a dimensionless quantity.
d
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A series circuit has a 100-? resistor, 4.00-mH inductor and a 0.100-?F capacitor connected across a 120-V rms ac source at the resonance frequency. What is the power dissipated by the circuit?
A) 120 W B) 45.8 W C) 160 W D) 100 W E) 144 W
What is the effect of increasing the wavelength in an interference pattern?
a. There is no effect; to change the pattern, you have to change the frequency, not the wavelength. b. The nodal lines move closer to the central line. c. The pattern seen disappears. d. The image gets more blue-violet and less red. e. The interference pattern is wider for the longer wavelength.
In the reaction 
how much energy is released or absorbed? The mass of 4He is 4.0026032 u, the mass of 9Be is 9.0121821 u, the mass of n is 1.0086649 u, and the mass of 12C is 12.0000000 u.
A. 4.21 MeV absorbed B. 4.21 MeV released C. 5.70 MeV absorbed D. 5.70 MeV released E. 6.34 MeV released
An airplane flies in a horizontal circle of radius 500 m at a speed of 150 m/s. If the radius were changed to 1 000 m, but the speed remained the same, by what factor would its centripetal acceleration change?
a. 0.25 b. 0.50 c. 1.00 d. 2.00 e. 4.00