Answer:
Step-by-step explanation:
14. 2
15. 3
16. -5
17. -11
Answer:
Step-by-step explanation:
see the attached figure to better understand the problem
Applying the law of cosines
substitute the given values
Answer:
1: None || 2: None || 3: Parallel || 4: None || 5: None || 6: None
Step-by-step explanation:
Answer
y=120
Step-by-step explanation:
2.5 ->100
3 -> y
y=(3*100)/2.5
y=120
A man enters a tall tower, needing to know its hieght. He notes that a long pendulum extends from the ceiling almost tothe floor and that its period is 15.5s. (a) How tall isthe tower? (b) If this pendulum is taken to the Moon,where the free-fall acceleration is 1.67m/s2, what isthe period there?T=15.5s(a) L=T2g/4π<span>2</span>