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.
1 Find the cause of a sore throat. 2  Most sore throat infections are caused by a virus. 3  A throat culture shows the difference between a bacterial infection and a viral infection. 4  Finding the organism that is causing the infection can guide treatment. Find the cause of a sore throat. 2  Most sore throat infections are caused by a virus. 3  A throat culture shows the difference between a bacterial infection and a viral infection. 4  Finding the organism that is causing the infection can guide treatment.