Science & Mathematics - 2 December 2006

a particle moves along a line so that at any time t its position is given be x(t)=(2*(pi)*t) + (cos*2*(pi)*t)

a) find the velocity at time t

b) find the acceleration at time t

c) what are the value of t, 0 ≤ t ≤ 3, for which the particle is at rest?

d? what is the maximum velocity?

2006-12-02 00:52:49 · 1 answers · asked by Anonymous in Mathematics

How will the lengthening of Daylight Savings Time by Congress effect the solar heat distribution on Earth?

2006-12-02 00:52:02 · 3 answers · asked by myyahoo! 2 in Earth Sciences & Geology

one plus two is three. one plus two plus three is six. one plus two plus three plus four is ten. if we keep doing this long enough we'll find that the sum of numbers from 1 to n is a perfect square. find the three first numbers.

2006-12-02 00:46:00 · 9 answers · asked by Anonymous in Mathematics

2006-12-02 00:42:06 · 6 answers · asked by keloa 1 in Chemistry

2006-12-02 00:32:38 · 12 answers · asked by hamed noreldin 1 in Physics

2006-12-02 00:28:48 · 4 answers · asked by Biggs 1 in Chemistry

2006-12-02 00:26:03 · 18 answers · asked by bratbabydown 2 in Astronomy & Space

i am doing an essay for my univ application..my head got stuck with lots of asignment...

2006-12-02 00:22:26 · 8 answers · asked by anas 1 in Medicine

2006-12-02 00:14:28 · 5 answers · asked by Mahua D 1 in Engineering

Is the oxidizing number most important factor here? Like the first one having an o. number of +6 and second one having an o. number of +7.
Are those compounds powerful oxidizing agents which have greater oxidizing number?

2006-12-02 00:13:43 · 8 answers · asked by School Project 2 in Chemistry

If an object is dropped, the distance it falls during t seconds is given by d(t)=1/2 gt squared where g is about 32ft/sec squared. Find the distance an object would fall in 10 seconds

answers can be 3200 ft, 800 ft, 160 ft, or 1600 ft

2006-12-02 00:04:52 · 7 answers · asked by lynn l 1 in Mathematics

find g(a+1) wen g(x) =2x-4

2006-12-02 00:03:26 · 5 answers · asked by lynn l 1 in Mathematics

A Lion (male) vs. a Tiger (male)? also who would win if a Bear (grizzly or polar) fought who u thought would win the first fight (lion or tiger?) thanks!

2006-12-02 00:01:24 · 8 answers · asked by Anonymous in Zoology

radius = 7.5 yd and height = 17yd

2006-12-02 00:01:05 · 4 answers · asked by lynn l 1 in Mathematics