As evidence for the cosmic inflation hypothesis, this hypothesis explains
A) the observed "flatness" of the overall three-dimensional universe.
B) the origin of the "clumping" of matter and energy that we see today in such aggregations as stars and galaxies.
C) Both of the above.
D) the force of gravity.
E) All of the above.
C
You might also like to view...
The H? line has a wavelength of 434.0 nm when observed in the laboratory. If the H? line appears in a stars spectrum at 434.5 nm, what is the radial velocity of the star?
a. 346 km/s away from the observer b. 346 km/s toward the observer c. 1.3 × 10^8 m/s away from the observer d. 1.3 × 10^8 m/s toward the observer e. The radial velocity of the star cannot be determined from this information.
Magnetic Moment: A flat coil containing 25 identical loops carries 6.4 A of current. When it is placed in a uniform magnetic field of 0.22 T that is oriented parallel to the plane of the coil, the magnetic torque on it is 3.7 N ? m.(a) What is the magnetic moment of the coil?(b) What is the area of each loop?
What will be an ideal response?
Potential: After a proton with an initial speed of 1.50 × 105 m/s has increased its speed by accelerating through a potential difference of 0.100 kV, what is its final speed? (e = 1.60 × 10-19 C , mproton = 1.67 × 10-27 kg)
A. 4.56 × 105 m/s B. 2.04 × 105 m/s C. 3.55 × 105 m/s D. 8.80 × 105 m/s E. 1.55 × 106 m/s
What is the power output of a hot air furnace that produces heat at the rate of 160,000. BTU/hr?
A) 22 kW B) 80 kW C) 47 kW D) 7.6 kW E) 1.6 kW