Recent content by najatau

Hello! These problems of mine are due in the morning. I'm not sure whether or not I will be able to figure them out in time, but I do need to understand the process in order to prepare for my finals. So any help would be much appreciated! Thank you. 1. Homework Statement A comet is in an...

Homework Statement The radius of Saturn (from the center to just above the atmosphere) is 60,300 km (60300✕10^3 m), and its mass is 570✕10^24 kg. An object is launched straight up from just above the atmosphere of Saturn. (a) What initial speed is needed so that when the object is far from...

Oh, thank you! *cries for joy and does a little dance* I don't know why I kept missing that! I got my problem right. It's a bigger relief to know that I actually do understand the concept. :)

Homework Statement [/B] Two rocks collide in outer space. Before the collision, one rock had mass 14 kg and velocity ‹4450, −2950, 2250› m/s. The other rock had mass 7 kg and velocity ‹−600, 1900,3600› m/s. A 1 kg chunk of the first rock breaks off and sticks to the second rock. After the...

Thanks for responding. I just found out why I got the wrong answer. I wasn't dividing complex/compound fractions with monomials in the denominator correctly. I tried to multiply the numerator by the reciprocal of the denominator instead of finding the lowest common denominator for the numerator...

Homework Statement Find f°f Homework Equations f(x)=x/x+1 The Attempt at a Solution \frac{x}{x+1} divided by \frac{x}{x+1} I got \frac{1}{x+1}+1 but I know the answer in the book is \frac{x}{2x+1}. I'm not sure how the book arrived at that answer.