Mergers between equally massive galaxies usually produce elliptical galaxies
Indicate whether the statement is true or false
TRUE
Physics & Space Science
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A superconducting wire carries a current of 104 A. Find the magnetic field at a distance of 0.25 m from the wire. (µ0 = 4p × 10^-7 T×m/A)
a. 1.6 × 10^-2 T c. 8 × 10^-3 T b. 2 × 10^-3 T d. 3.2 × 10^-2 T
Physics & Space Science
An object is placed 10 cm in front of a concave mirror with a 20-cm focal length. Determine the image location (in cm).
A. ?20 B. ?15 C. ?10 D. ?5 E. 6.7
Physics & Space Science
With respect to the silica content of the parent rock, what type of magma does partial melting produce?
What will be an ideal response?
Physics & Space Science
If the momentum of an object is doubled, its speed must have increased by
A. 4 B. 2 C. 0.5 D. 0.25
Physics & Space Science