A compact object with a mass of 1.1 solar masses could ____
a. be a neutron star or a black hole
b. be a neutron star, but not a black hole
c. be a black hole, but not a neutron star
d. not be a black hole or neutron star
e. not be a black hole or neutron star
d
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A 3.0-mF capacitor charged to 40 V and a 5.0-mF capacitor charged to 18 V are connected to each other, with the positive plate of each connected to the negative plate of the other. What is the final charge on the 3.0-mF capacitor?
a. 11 mC b. 15 mC c. 19 mC d. 26 mC e. 79 mC
Based on the given right ascensions and declinations, which of the following stars lies closest to the south celestial pole on the celestial sphere?
A) Sirius: RA = 6hr 45m, dec = -16°42' B) Canopus: RA = 6hr 24m, dec = -52°41' C) Alpha Centauri: RA = 14hr 40m, dec = -60°50' D) Arcturus: RA = 14hr 16m, dec = +19°11' E) Vega: RA = 18hr 37m, dec = +38°47'
Every particle has a corresponding antiparticle
a. True b. False Indicate whether the statement is true or false
Certain planes of a crystal of halite have a spacing of 0.399 nm. The crystal is irradiated by a beam of x-rays. First order constructive interference occurs when the beam makes an angle of 20° with the planes
What is the wavelength of the x-rays? A) 0.14 nm B) 0.17 nm C) 0.21 nm D) 0.24 nm E) 0.27 nm