Mathematics, 09.07.2019 04:00, legrandschool1oxa0sd
Find the vector area of a hemispherical bowl of radius r.
Answers: 1
for a surface S
![\text{Now we have }\\ \vec{a} = R^{2}\int_{0}^{\pi /2} sin\theta d\theta \int_{0}^{2\pi}d\phi [sin\theta cos\phi\hat{i}+sin\theta sin\phi \hat{j}+cos\theta \hat{k} ]](/tpl/images/0068/0294/714d9.png)
![=0+0+2{\pi}R^2\hat{k}\int_{0}^{1}(-1)tdt\\ \text {[here} \cos\theta=t\\-sin\theta d\theta=dt]\\= \pi R^2 \hat{k}](/tpl/images/0068/0294/7be8e.png)
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 16:00, clarkster112679
1- identificar select the category that corresponds to each term. january 23 11: 59 pm unlimited attempts remaining grade settings 276-279 vocabulary list modelo fiesta quinceañera casada adolescencia viudo juventud navidad niñez vejez aniversario de bodas divorciado madurez cumpleaños soltera
Answers: 2
Mathematics, 21.06.2019 21:30, alegora78
He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?
Answers: 1
Do you know the correct answer?
Find the vector area of a hemispherical bowl of radius r....
Questions in other subjects:
Mathematics, 16.09.2019 18:30
