Find the magnitude and direction of the vector sum R1 where R1 = A + B . = 15.9 m at an angle 180 degrees from the positive horizontal axis, and the vector B = 8.7 m at an angle 70.2 degrees from the positive horizontal axis. Answer in units of m.
What Causes Sore Throat? Sore throat (also called pharyngitis) is typically caused by a viral or bacterial infection. An estimated 200 to 300 different strains of virus cause colds and sore throat.1 In up to 90% of cases, sore throat is caused by viruses linked to the common cold or flu. The other 10% of cases result from bacterial infections or some other medical condition.
Sore throat is usually caused by inflammation (swelling) in the back of the throat (oropharynx) and tonsils (laryngeal lymphoid nodules). Infections can be caused by the streptococcus bacteria (causing strep throat) or viruses.