Recent content by JKLS

UGH. Thank you. I'll try again.

x = 0.1*sin(πt/2) t = 2*asin(x/0.1)/π t = 2*asin(0.06/0.1)/π t = way too high. Am I misinterpreting how to use this equation?

I think what you're getting at is isolating t in each of x(t) = 0.00m and x(t) = 0.06m and finding the difference. However, this warrants a number (~23 seconds) that just doesn't make any sense given the period of 4 seconds.

I keep running into the issue of how to visualize the relative positions of these functions at different values. If I plug in 0.0 cm (or 0.0 m rather) into x(t) = Acos(wt), how do I know whether the function is moving positively ("up" a cosine crest) or negatively ("down" a cosine trough)? If...

Homework Statement An object in SHM oscillates with a period of 4.0 s and an amplitude of 10 cm. How long does the object take to move from x = 0.0 cm to x = 6.0 cm? Homework Equations T = 2*pi/w x(t) = Acos(wt) or x(t) = Asin(wt) The Attempt at a Solution T = 4.0 s A = 0.10...

Hello - can someone offer some insight into how to approach this problem? Thank you.

I'd still love some help with this one. Just an idea on the setup is necessary... the wording is terrible.

If anyone can help me with the position of these vectors in relation to one another, and what the question is actually asking, that's all the help I need. The math is super easy, and I can manage questions labeled as much harder than this one fairly quickly. I just need help understanding what...

Homework Statement Two airplanes taxi as they approach the terminal. Plane 1 taxies with a speed of 11 m/s due north. Plane 2 taxies with a speed of 8.5 m/s in a direction 20 degrees north of west. a) What is the magnitude of the velocity of plane 1 relative to plane 2? b) What is the...