Recent content by Dakkers

would it simply be t = (1 + (gt)2)1/2τ ?

I got γ = (1 / (1 + g2t2))-1/2

I'm not too sure how to integrate γ, either. I am so bad at this.

Our professor never actually mentioned hyperbolic functions :\

Homework Statement A particle of mass m has a position along the x-axis as a function of time given by the equation u = cgt / (1 + g2t2)1/2 where g is a constant and c is the speed of light. (a) Find the 4-velocity of the particle. (b) Express x and t as a function of the proper time of the...

Well. Next time, I think I should read the question properly. Thanks much :)

How can we determine the size of the moon's orbit? If we use the arc length formula a = θr, wouldn't that give us the moon's radius and not it's orbit?

Homework Statement Suppose that we see a planet in our Solar System that we measure to have an orbital period (around the Sun) of 18.0 years. We look at it with a telescope and see that it has a moon. From repeated observations, when the planet is near or at opposition, we note that...

Homework Statement Two hockey pucks of equal mass undergo a collision on a hockey rink. One puck is initially at rest, while the other is moving with a speed of 5.4m/s. After the collision, the velocities of the pucks make angles of 33 degrees and 46 degrees relative to the original velocity...

also, since I'm doing my undergrad in physics, what electives should I take in order to get ... a better understanding (for the lack of a better term) of engineering? UWaterloo doesn't actually let people outside the engineering faculty take engineering courses as electives, so.

If I were to apply to an engineering program, it'd be a program at UBC called "Clean Energy Engineering" (I should say it's a master's, and if I have a degree in physics, I can be admitted to it). lucky me :D

Thanks everybody. I found out the engineering programs at my university are $10000 compared to my physics tuition at $5200, so I think I'm going to just do physics for my undergrad, see what I like and go from there. The only problem: you can't take many engineering electives, if at all, which...

I was probably misled, simply because at UBC, they have a program (a MSc, not undergrad sadly) that is Environmental Engineering but focusing on clean energy.

To be honest, I have a few questions. 1) I want to design more efficient technology involving sustainable energy. What engineering program should I try to get into? (I'm going to the University of Waterloo for physics in September but plan to switch ... maybe.) I know environmental...

yeah and I made each force into its respective components (as the ugly math says up there) and tried isolating Ft but it was wrong every time. the answer should be about 2.5 (apparently) and I haven't gotten that yet f