Questions and answers by

MT

Questions (9)

Final averages are typically approximately normally distributed with a mean of 72 and a standard deviation of 12.5. Your
1. 1 answer
2. 1,160 views
1. In a study of heart disease in male federal employees, researchers classified 170 volunteer subjects according to their
1. 3 answers
2. 749 views
I roll a pair of fair dice and compute the number of spots on the two sides facing up. Denote this total by X. The probability
1. 1 answer
2. 1,635 views
The incomes in a certain lg. population of college teachers have a normal distribution with a mean of $35,000 and st. dev. of
1. 3 answers
2. 506 views
A newspaper story on AIDS reports that an allele (R) confers complete resistance to HIV when homozygous and that 1% of the human
1. 0 answers
2. 565 views
I'm asked to find the arc length of the curve y=3+(1/2)sinh(2x) from 0 to 1. I figured it out up to the integral of
1. 0 answers
2. 429 views
How do I find tangential speed with just radius, time and angular acceleration?
1. 4 answers
2. 364 views
The angular speed of an automobile engine is increased at a constant rate from 1200rev/min to 3000rev/min in 12s. How many
1. 3 answers
2. 540 views
solve Z^5 - 1 =0where Z is a complex number
1. 1 answer
2. 338 views

A) 0.79 B) 1.55
F=m*((v^2)/r) Therefore (18.1^2m/s)/80m*3800=F Therefore F=15561N
My bad... I meant the angular acceleration - I was given rad/sec^2 as the units.
Can I just do that when my radius is in radians?
Er, wait. That is probably wrong. I think I have to go back and convert a few things around.
Oh, I had to find it in rev/min^2.

Ask a New Question