A boson has half integral spin
Indicate whether the statement is true or false
F
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Charge: What is the charge on 1.0 kg of protons? (e = 1.60 × 10-19 C, mproton = 1.67 × 10-27 kg)
A. 1.0 C B. 1000 C C. 9.6 × 107 C D. 6.0 × 1026 C E. 6.0 × 1023 C
An object moving at a constant speed requires 6.0 s to go once around a circle with a diameter of 4.0 m. What is the magnitude of the instantaneous acceleration of the particle during this time?
A. 2.2 m/s2 B. 2.7 m/s2 C. 3.3 m/s2 D. 3.8 m/s2 E. 4.4 m/s2
Semiconductor technology has been the basis for many new electronic devices
a. True b. False Indicate whether the statement is true or false
Suppose the ends of a 20-m long steel beam are rigidly clamped at 0°C to prevent expansion. The rail has a cross-sectional area of 15 cm2 . What force does the beam exert when it is heated to 40°C? (asteel = 1.1 × 10^-5/C°, Ysteel = 2.0 × 10^11 N/m2)
a. 2.6 × 10^5 N c. 1.3 × 10^5 N b. 5.6 × 10^4 N d. 6.5 × 10^2 N