Answer:

Step-by-step explanation:
Given,
Time taken in one rotation of earth = 23 hours, 56 minutes and 4 seconds.
Since, 1 minute = 60 seconds and 1 hour = 3600 seconds,
⇒ Time taken in one rotation of earth = (23 × 3600 + 56 × 60 + 4) seconds
= 86164 seconds,
Now, the number of radians in one rotation = 2π,
That is, 86164 seconds = 2π radians

Hence, the number of radians in one second is 
Answer:
F(8)=120
Step-by-step explanation:
f(x)=15x
f(8)=15(8)
f(8)=120
Answer: 2.5 hours
Step-by-step explanation:
Evaluate the given function at x=1:
<span><span>f<span>(1)</span></span>=<span><span>log10</span><span>(1)</span></span>+2</span>
<span><span>f<span>(1)</span></span>=0+2</span>
<span><span>f<span>(1)</span></span>=<span>2</span></span>
<span><span>THIRD ONE</span></span>