Recent content by J7
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J
Undergrad What is the number e and how is it related to logarithms?
The Number "e" and Logarithms Hi, I'm having a lot of difficulty understanding the number "e" and logarithms, especially in terms of differentiating them. Is it just a matter of memorization or are there tricks to finding the derivatives? Help! -
J
High School What does e represent in calculus and why is it used?
Hi, can anyone explain "e" to me? It's used all the time in calc and I don't understand what it represents or it's value. Thanks -
J
How Do You Calculate an Unknown Initial Force Using Newton's 2nd Law?
If i am given information involving a particle and I know the resulting velocity (in x and y direction) and one of the beginning forces in Newtons (x and y components as well), how do i figure out the other beginning force? I'm given no information about angles or the mass of the object- J7
- Thread
- 2nd law Law Newton's 2nd law
- Replies: 2
- Forum: Introductory Physics Homework Help
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J
Problems - Gravity & Mass of Earth & Moon
I figured the first one out, thanks anyway, I'm going to try the second one once more on my own- J7
- Post #5
- Forum: Introductory Physics Homework Help
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J
What Is the Lunar Mass Compared to Earth's?
I GOT IT! Thanks so much for all your help! On to the next question!- J7
- Post #7
- Forum: Introductory Physics Homework Help
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J
Problems - Gravity & Mass of Earth & Moon
Many, but i have a feeling I'm using them incorrectly, and because I'm not exactly sure of what each thing in the formulas stands for, I can't substitute in for them.- J7
- Post #3
- Forum: Introductory Physics Homework Help
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J
What Is the Lunar Mass Compared to Earth's?
I do know that equation.. what does the second m in the numerator stand for though??- J7
- Post #5
- Forum: Introductory Physics Homework Help
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J
Problems - Gravity & Mass of Earth & Moon
I'm completely stumped on 2 questions I have, I'm not even sure which formula's to use, I've tried many... any help?? 1) Lunar gravity at the Moon's surface is only 1/6 as strong as what we experience on Earth. Since the diameter of the Moon is about 1/4 that of the Earth, the lunar mass is...- J7
- Thread
- Earth Gravity Mass Moon
- Replies: 4
- Forum: Introductory Physics Homework Help
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J
What Is the Lunar Mass Compared to Earth's?
I have a problem that I've been working on FOREVER but can't figure out how to do. Lunar Gravity at the Moon's surface is only 1/6 as strong as what we experience on Earth. Since the diameter of the Moon is about 1/4 as large as the Earth's, the lunar mass is about : a) 3 X 10^-3 times the...- J7
- Thread
- Earth Gravity Moon
- Replies: 8
- Forum: Introductory Physics Homework Help