Recent content by ArcherofScience

Hi, I have to do a high school project in physics regarding to build a catapult. The catapult must launch a tennis ball 12 meters from the launch line into the trash can. My friends and I are confused on what materials to use in this project and how to exactly make it so it can fit the...

Y=viy+at?

a pelican flying along a horizontal path... A pelican flying along a horizontal path drops a fish from a height of 5.4 m. The fish travels 8.0 m horizontally before it hits the watwe below. What was the pelican's initial speed? Well I'm guessing that y =-5.4m and x= 8.0 m...what do I...

oh yeah i just realized my mistake, its 39.2837 i believe. but thanks for your help :redface:! i understand it i believe a bit more, just the way it was worded had me a bit pressured.

A pair of perpendicular vectors... √Homework Statement This thread contains 2 questions that are similar. A pair of 482.5 N vectors are perpendicular. What is the magnitude of their resultant? Answer in units of N Two vectors of magnitudes 24 N and 31.1 N act at right angles to each other...

ohh ok. i see. thanks :)...i have another question from my hw...is it ok to ask it on this same thread?

trucks travels beneath an airplane... Homework Statement A truck travels beneath an airplane that is moving 180 km/h at an angle of 39 to the ground. How fast must the truck travel to stay be- neath the airplane? What is the magnitude of the vertical component of the velocity of the...

Homework Statement A boat moves 15 km as it accelerates at 3.5 m/s^2 for 1.5 minutes. What is the truck's initial velocity? Homework Equations i'm stuck on what formula to use... [b]3. The Attempt at a Solution [/] vf^2=vo^2+2ax? ...

https://www.youtube.com/watch?v=bcnWysA9gxo AMAZING SONG! :D, the video is cool too, although it's not much to it, but the song makes it awsome! :approve:

*thinks evo's mother is awsome cause she speaks german* :D :D !:approve: ich liebe deutsch! :D tbh, i always thought that you write the sentence with the punctuation mark right next to the last word.

Homework Statement I don't understand how to answer these questions. My notes are a bit confusing... What is the relationship between time for an object moving at a constant (uniform) velocity? What is the relationship between velocity and time for an object undergoing constant...

oh man, how little was my mistake *facepalm* :frown:. yeh it turned 5400 m, but I'm putting to the east to make the answer complete. thanks for your help! :D

Homework Statement A car moves east at 18 m/s for 5 minutes. What its displacement? It says that the answer to this question from my teacher is: 5400 m. Homework Equations → → X= v *t The Attempt at a Solution → V= 18 m/s [E] t= 5 min. → → → X= v *t =...

yeh it worked, i got the right answer ! :approve: :D thankyou! :)

car moving down road... Homework Statement A car is moving down a road at 45 km/hr when it runs out of gas. How far does the car move if it takes 6.0s to roll to a stop?Homework Equations x=(vi+vf)/2 *t I tried this equation, but I got the answer of 135 m. It says the answer is 37.5 m in...