What is a light-year in SI units?
A.
B. 
C. 
D. 
E. 
B.
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Answer the following statement(s) true (T) or false (F)
1. Consider an infinite solenoid. Imagine placing a mirror so that mirror’s plane contains the solenoid’s central axis. Such a mirror would satisfy the conditions of the mirror rule. 2. An infinite solenoid’s magnetic field is uniform everywhere in the solenoid’s hollow interior.
Two strings on a violin are stretched between two points 20 cm apart. The tensions of the strings are the same. If the ratio of the frequencies of the fundamental modes is 1.5 to 1.0, then what is the ratio of the mass per lengths in the strings?
A. 0.80 B. 0.90 C. 0.85 D. 0.94 E. 0.78
Normal matter is baryonic
a. True b. False Indicate whether the statement is true or false
A football is thrown upward at a 30.0° angle to the horizontal. To throw a 40.0-m pass, what must be the initial speed of the ball?
What will be an ideal response?