Recent content by stressedgirl

Homework Statement Devita is standing still teachnig Matthew about flying a kite. The kite is already 15 m high and she has let 25 m of string. It is now being blown directly away from her at a constant height with a horizontal velocity of 2.0 m/s. At what rate must Devita be letting out the...

Nevermind, I understand now. Anyway, I solved for the components of the velocity vector and I got that V1 = 112.0m/s [N 79.19 deg E]... Would it make sense to say "Therefore at 25.00s the fish is moving in the direction of this vector: V1 = 112.0m/s [N 79.19 deg E]"

OK I ended up with "At 25s, the fish is at d2= 367.3m [S 78.57 deg E] after doing x and y components separately For the next part (direction its moving in), you said "To find the direction it's going at time t, you'll want to find the velocity vector at that time: v(t) = vo + at From the...

My teacher told me that I am supposed to add the dO afterwards...This didnt make sense to me. It doesn't matter whether you include it in the d(t) equation right?

The do you have written there stands for the x or y component of the position vector that is given, right? So for example.. finding my x component first, I would have d(t) = (sin68.20)(10.770) + (cos14.04)(4.123)t + (1/2)at^2

Ahh yes you're right! I see that now. Do you think I have the correct idea for part b, when it comes to finding out where the fish will be at t=25s? Also, provided that is correct... How would I find the 'direction in which it is moving' ? Would I take the said DT value and use its...

So would you say my solution is correct for Parts A and B ? Especially wondering about whether my idea for B is correct

If you were to draw it like that, the direction would become [E 14.04 deg S], which is equivalent to [S 75.96 deg E], no?

Well =going over my solution I'm not sure but here's the diagram I drew of the V2 vector+components

Homework Statement A fish swimming in a horizontal plane has a velocity of 4.123 m/s [N 75.96deg E] in the ocean with a position vector of 10.770 m [S 68.20 deg E] relative to a stationary rock at the shore. After the fish swims with constant acceleration for 20.00 s, its velocity is 20.62 m/s...

Can I get something step by step please? I drew the components but I don't get why I even have to have both an x and the y. I just have two sets of axes and a theta angle at 90degrees

Umm.. I don't understand. How would the 't' answer the question? Wouldn't I need a 'd' since it's asking how wide the river could be? edit: SOrry I don't really understand what I'm even supposed to draw in the diagrams of the components

Homework Statement If you can hurl a ball so that its initial speed is 30 m/s, what is the widest river it can cross? v1 = 30m/sHomework Equations I am not sure with only the one variable given. The Attempt at a Solution Start with a x and y component diagram?