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easy motion question If a = 2t2 + 1 and v = 2 and x = -1 when t = 0, find x when t = 4. Enter your answer as a decimal correct to the nearest integer. [ANSWER: 58] 2. If v = x + 2 and x = 0 when t = 0, find x when t = 3. [ANSWER: 38.17] Thanks

If y' = 5x4y2 and y(0) = 2, find y(3). I think I know the steps on how to do it,but I keep on getting it wrong! Please help

A particle is moving in a straight line and its displacement s from the initial position after t seconds is given by s= 36t-t^2. Find a) its velocity at time t and b) its initial velocity. This is how I did it and I don't know if it is correct (most likely not) a) dv/dt = 36-2t b) when...

A colony of bacteria is growing exponentially and has doubled in size in 4 hours. How many hours will it take to increase by a factor of 7? I missed out on class so I don't really understand, please help!

Find the roots of the quadratic 2(z^2) + z + 2 and hence express 2(z^2) + z + 2 as a product of two linear factors. It's meant to be an easy question but I just don't know how to do it. Please help! :)

I got an exam tommorrow 1. Solve 2^x.2^(x+1) = 14 for x and 2. Simplify ln3x + ln4 - ln2x Thanks

Differeniate tan^-1(x^2) note: tan^-1 is inverse of tan thanks

I got an offer for a course at UNSW and I am going to accept it. But I haven't unenroll from my previous course yet which was also at UNSW. So how do I unenroll? Do I do it online at myUNSW or do I have to go to Student Central to unenroll?

I am going overseas between December 20th 2005 and will be arriving back at the January 20th. Will I miss the main rounds offer if I get into the course? Thanks in advance

I don't know if this topic is in the correct board so if it's not delete it Alright, I'm 18, living with my parents, unemployed but seeking work and not studying. So my question is am I eligible for youth allowance? thanks for your help!

I tried applying to big w/ woolworths online and I got to the part where you had to fill in your previous work reference. I had no work experience so the form told me if I had none then I need to put a referee instead. The form suggested teachers can be used as referees but then you need the...

I was just wondering if these types of jobs are worth applying for? If anyone has ever done this type of work, how was it? How is the pay and what do you do? I'm thinking about applying since it looks easy but I'm not quite sure...

Can any one tell me what I need to do to drop a course and transfer to another one? I failed my current course and I don't want to do it again!

I want one which costs around $200 or lower. It has to be prepaid, colour screen and camera. I don't know which mobile phones are good so can you guys please recommend me some good phones? ta

I'm a first year student and I need full working out solutions to all/most of the questions on the textbook "Engineering Mechanics: Statics (5th edition)". If you have done them last year, can I please have them? I am having troubles with the questions and there are no solutions to them on...

Just want to know from students who are studying it, whether it's a good course or not. Is the course fun? Is it hard? Is there a lot of maths involved? job prospects? salary? ta