2. Vector A is 3 units in length and lies along the positive x-axis. vector B is 6 units in length and points along a direction 120° from the positive x-axis. What is the magnitude of the resultant when vectors A and B are added?
(cos 60° = 0.5, sin 60° = 0.87)
Answer 5.2
3.What is the magnitude of force necessary to stretch a 1 mm radius steel wire by 1 %? (Y = 2 x 1011 N/m2)
Answer: 6,280
4. The inductive reactance in an ac series circuit is 63 ohms and the frequency is 50 Hz. What is...
Physics help please?
(cos 60° = 0.5, sin 60° = 0.87)
Answer 5.2
3.What is the magnitude of force necessary to stretch a 1 mm radius steel wire by 1 %? (Y = 2 x 1011 N/m2)
Answer: 6,280
4. The inductive reactance in an ac series circuit is 63 ohms and the frequency is 50 Hz. What is...
Physics help please?