Addition by 1. Components: The figure shows four vectors, 
, 
, 
, and 
, having magnitudes 10.0 m, 8.00 m, 6.00 m, and 2.00 m, respectively. Find the magnitude of the sum of these four vectors.
Fill in the blank(s) with the appropriate word(s).
14.4 m
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A gas in which the pressure no longer depends on the temperature of the gas is said to be ____________________
Fill in the blank(s) with correct word
The range of frequencies that a radio telescope is sensitive to is referred to as its
A) sensitivity B) band C) bandwidth D) bandpass
Niobium metal becomes a superconductor (with electrical resistance equal to zero) when cooled below 9.00 K. If superconductivity is destroyed when the surface magnetic field exceeds 0.100 T, determine the maximum current a 5.31-mm-diameter niobium wire can carry and remain superconducting. (µ0 = 4? × 10^?7 T?m/A)
a. 2660 A b. 423 A c. 211 A d. 1330 A e. 4170 A
You are traveling at close to the speed of light, on your way back to Earth from a distant star. In your own reference system of the space ship, compared with the reference system of Earth,
a. the travel time to Earth is shorter and the distance to Earth is the same. b. the travel time to Earth is longer and the distance to Earth is the same. c. the travel time to Earth is shorter and the distance to Earth is longer. d. the travel time to Earth is longer and the distance to Earth is longer. e. the travel time to Earth is shorter and the distance to Earth is shorter.