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Physics 14 Online
OpenStudy (anonymous):

If a rocket is launched at a 30 degree angle, with a velocity of 36.7 m/s, an average time of 4.3025 s, and a distance of 116.63 m, what is the highest height it reaches in the air?

OpenStudy (anonymous):

Average time of what exactly? And what's that distance supposed to be? Your question doesn't make any sense - please restate it more accurately.

OpenStudy (anonymous):

Average time the rocket is in the air. The distance is how far the rocket traveled. I need delta y max, or the height at the highest point the rocket reaches while in the air.

OpenStudy (anonymous):

So your rocket is not actually a rocket but is ahm.. "thrown" ??? Or do you have numbers on how much fuel is burned and what the exhaust velocity is etc? Distance on the ground?

OpenStudy (anonymous):

Yes, distance on the ground. And yes, sorry, the rocket is launched from a tennis ball launcher, so thrown is correct. This was an activity we actually did in physics class, so these are real numbers.

OpenStudy (anonymous):

Okay, just for the future - not just here online - try to be really specific and precise, when it comes to ahm.. science and stuff ^_^ Also: Where exactly are you stuck at? Have you gotten anywhere on your own, yet?

OpenStudy (anonymous):

Yeah, sorry about that, I guess I forgot about those details. I mainly need an equation that applies to this situation. Or is it using trig? That's mostly it--I'm not really sure what I should be using to solve it.

OpenStudy (anonymous):

Well ahm.. there's really more than one way to do it. For starters: Do you think that - in general - the time an object stays in the air has anything to do with how far it moves horizontally?

OpenStudy (anonymous):

Well...we got an equation [delta x = V (sub x) * delta t] where delta x was the distance covered and delta t was the change in time. That's what I assumed it was talking about.

OpenStudy (anonymous):

Well ahm.. that equation doesn't really have to do with what you want to know at all.. so ahm.. about my previous question - what do you think? |dw:1354261442965:dw| If you were to throw 2 objects like the poor drawing I made. Would one object be longer in the air if they both reach the same height? (we are disregarding friction here, but that's ok)

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