The period of this Ferris wheel can be calculated as 30 seconds. The amplitude is 25
<h3>How to solve for the period.</h3>a. We have 60 seconds in a minute
In a minute it makes 2 rotations. The period = 60 secs / 2 rotations
= 30 seconds
b. We have h = 25 - 25cos
25 - 25cos
We would have the table in the attachment
d. Amplitude
= max - min / 2
= 50 - 0 / 2
= 25
Answer: ($143.69, $156.31)
Step-by-step explanation:
Confidence interval to estimate population mean :
, where = population standard deviation
n= sample size
Sample mean
z= critical value.
As per given,
n= 40
= $15.50
$150
Critical value for 99% confidence level = 2.576
Then, 99% confidence interval for the population mean:
Hence, the required confidence interval : ($143.69, $156.31)
Step-by-step explanation:
Using the kinematics equation,
v = u + at
where v = Final speed = 15m/s
u = Initial Speed = 30m/s
t = time taken = 10 seconds
a = acceleration.
Substitute v , u and t to find a.
