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MightySmurf
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In the scene in an action movie, a stuntman jumps from the top of one building to the top of another building 4.0 m away. After a running start, he leaps at an angle of 15 degrees with respect to the flat roof while traveling at a speed of 5.0 m/s. Will he make it to the other roof, which is 2.5 m shorter than the building he jumps from.
 3 years ago
 3 years ago
MightySmurf Group Title
In the scene in an action movie, a stuntman jumps from the top of one building to the top of another building 4.0 m away. After a running start, he leaps at an angle of 15 degrees with respect to the flat roof while traveling at a speed of 5.0 m/s. Will he make it to the other roof, which is 2.5 m shorter than the building he jumps from.
 3 years ago
 3 years ago

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umichzane13 Group TitleBest ResponseYou've already chosen the best response.2
gimme one second and ill help you, im working it out now
 3 years ago

MightySmurf Group TitleBest ResponseYou've already chosen the best response.0
kk thanks
 3 years ago

umichzane13 Group TitleBest ResponseYou've already chosen the best response.2
Yes he makes it to the other roof. Do you want me to just explain how I got there?
 3 years ago

MightySmurf Group TitleBest ResponseYou've already chosen the best response.0
if u dnt mind
 3 years ago

umichzane13 Group TitleBest ResponseYou've already chosen the best response.2
Ok, well first you need to break the initial velocity into components, The x component will be used to find the total horizontal distance traveled (to see if he makes the other roof) and the y component of the velocity will be used to find the total time the person is in the air.
 3 years ago

umichzane13 Group TitleBest ResponseYou've already chosen the best response.2
So, use \[\Delta y = 1/2*a*\Delta t^2 + V_iy*\Delta t \] where a is (.81 m/s^2 and delta y is 1.5 m and Viy is 5*sin(15). Solve for t. Then use \[x = V_x*\Delta t\] where Vx=5*cos(15) and x is the total distance traveled. This gives 4.7147 m, so he makes it to the other ledge
 3 years ago

MightySmurf Group TitleBest ResponseYou've already chosen the best response.0
omg wow that looks confusing
 3 years ago

umichzane13 Group TitleBest ResponseYou've already chosen the best response.2
nah its easy lol, i hope i didnt make it complicated... I dont normally do physics with algebra
 3 years ago

MightySmurf Group TitleBest ResponseYou've already chosen the best response.0
how old r u
 3 years ago

umichzane13 Group TitleBest ResponseYou've already chosen the best response.2
20, in college for Engineering
 3 years ago

MightySmurf Group TitleBest ResponseYou've already chosen the best response.0
o ok thats cool i wanna be a mechanic
 3 years ago

umichzane13 Group TitleBest ResponseYou've already chosen the best response.2
Nice! well good luck with physics and math, I am an engineer but its still difficult!
 3 years ago

MightySmurf Group TitleBest ResponseYou've already chosen the best response.0
thank you and thanks for the help to
 3 years ago
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