Question

it is given that vector R is perpendicular to vector A , and vector R = vector A + vector B
so find the angle between vector A and
vector B

Answer 1

Answer:

Sunita L. Williams (born 19 September 1965); NASA astronaut; schooling in Massachusetts

(1983); Bachelor of Science from the US Naval Academy (1987); Master of Science from

Florida Institute of Technology (1995); longest spaceflight (195 days) for female space

travellers; interests: running, swimming, biking, triathlons, windsurfing and snowboarding.