Answer:
30%
Step-by-step explanation:
7.55t + 100 ≥ 160 ( its greater than r equals to 160)
7.55t ≥ 60
t ≥ 7.95
Minimum number of hours = 8 ( to nearest hour).
Answer:
if the stone makes 150 revolution per minute, the tension force of the string on the stone is
Yeah i don’t know either sorry
Answer:tan 30 = 5/b
Step-by-step explanation:
From the diagram line BC is opposite to the angle 30 and line AC is adjacent to that same angle
From trigonometric ratios
Tan 30 = opposite /adjacent
