Q: A bug starts at the center of a 12 inch photograph record and crawls along a straight radial line to the edge . While this is happening the record turn through an angle of 45° . Describe the magnitude and direction of the bug’s displacement .
(a) 6 inch at an angle 45° from initial line .
(b) 12 inch at an angle 45° from initial line
(c) 6 inch at an angle 135° from initial line
(d) 12 inch at an angle 135° from initial line
Click to See Answer :
As Record turns through an angle of 45° . Hence direction of bug’s displacement is 45° from initial line