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1. ### Suppose a particle moves along a straight line with velocity v(t) = t^2 e^(-3t) meters per second after t seconds?

Integrate from t = 0 to t = 1 u = t^2 du = 2t * dt dv = e^(-3t) * dt v = (-1/3) * e^(-3t) (-1/3) * t^2 * e^(-3t) - (-2/3) * int(t * e^(-3t) * dt) => (-1/3) * t^2 * e^(-3t) + (2/3) * int(t * e^(-3t) * dt) u = t du = dt dv = e^(-3t) * dt v = (-1...

3 Answers · Science & Mathematics · 21/02/2019

2. ### Guys, are you a fussy young man? Don't want no Captain Crunch, don't want no raisin bran? Does god want you hungry?

Well don't you know that other kids are...don't want to debate Don't want to hear about what kinds of... some more pie It doesn't matter if it's boiled or ...

6 Answers · Society & Culture · 12/07/2019

3. ### Why don’t other countries have free health care?

They just haven't decided to have it. The UK didn't have it...right. Beveridge thought of that. So we don't pay except through taxes, and because it's out of tax, rich people...

10 Answers · Politics & Government · 08/11/2018

4. ### Can t Concentrate?

...possible explanations. You say that you weren't having this problem before. Maybe you're ... useful for all kinds of things you don't feel like doing. If a task seems like it...

2 Answers · Health · 01/07/2019

5. ### Why isn’t my dog obedient?

You don`t say how old this pup is at the moment OR what breed OR... when out on off lead walks. Now and then I don`t give the toy, but never omit the praise. 99.9% my dog recalls...

3 Answers · Pets · 11/06/2019

6. ### Is it true that humans aren't evolving anymore?

don't agree much. i think we're having an effect on the direction of our...one thing, huge numbers of people on earth, maybe most of them, don't get anything like the full benefit from all that great medical technology, if they get any...

9 Answers · Social Science · 24/10/2018

Reading isn't for everyone. It's also not something that it's easy to begin doing... images in your mind. Reading simple text that doesn't require any analysis is a very different thing from reading something...

8 Answers · Arts & Humanities · 08/04/2019

8. ### I hear “black people can’t be racist!” Is this true?

...race is superior to another." A lot of the "black people can't be racist" crap comes from hypocritical black racists or white guilt...

16 Answers · Society & Culture · 14/05/2019

9. ### Why Hasn’t Allah Accepted My Dua?

,wa alaykum salam, 1. Allah doesn't answer the prayers of habitual sinners, such as those...you may have asked for something, but Allah doesn't give you what you ask for, but still answers your...

8 Answers · Society & Culture · 14/04/2019

10. ### When she says “I Don’t know”?

She says I DON'T KNOW,it's because you don't know ... Treat."   YOU WON'T HAVE TO FEEL EMBARRASSED...

1 Answers · Family & Relationships · 10/07/2019