Math and skiing, help me with my project!

ski_me

ski_me

Member
so guys im doing a project for my math class and i could choose anything in relation to math, so of course i picked skiing. so basically i need help in coming up with grade 11 topics in relation to skiing. help me pleaseee, thanks.
 
google projectile motion. They'll give you a bunch of equations for telling how far something will go depending on the launch angle and velocity.
 
Force of friction while grinding. Terminal velocity/air resistance. Acceleration of gravity given a slope with an angle. And projectile motion, of course.
 
maximum velocity when jumping off the chair, what is the safest hight to do so? how much speed to clear gaps? coefficiant of steeze? probability of getting another skiers phone number on a chair ride?
 
yeah you could do how much speed to clear gaps, and like how big of a jump and angle, and do cool gaps like chad's and pyramid
 
man all yo uguys are talking physics. she needs math. do something easy like the total cost of someones gear. make a scatterplot of the cost of peoples geat cost and then on a TI-83 find the line of best fit for an avergae...now theres an idea
 
heres a problem my dad put in one of his books he wrote. Its might not be hard enough depending on what math class you are in.

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assuming a flat lip like / (of course this jump would blow) find the height of the jump if its 10 feet long and the takeoff is 15 feet long. if you do a 900, what is this angle in radians. convert 180 cm skis into inches or feet. eh, pretty basic, but its all i could come up with.
 
you cannot ski on an undefined slope (90 degrees...adjacent to the x axis)....nor can you ski on a zero slope ( 0 degrees...adjacent to the y axis) ...this pretty much means nothing, but i learnt it last year in gr.10 math...i cant think of gr.11 math having to do anything with skiing
 
wow thanks a lot guys. i honestly thought nobody would answer. and i'd like to publicly thank SteezePatrol for his pm on SOH CAH TOA. amen to SOH CAH TOA.
 
I've done something like that where we've taken 5 different jumps (step-up, step-down, table, booter and gap) of 3 different sizes (30, 60, 90) and we calculated the speed needed to barely clear, to almost overshoot, and to land perfectly, then we calculated the amount of force you would hit with if you undershot/overshot, and figured out which jumps had the largest chance of failure and which had the worst fall scenarios.
 
make a quadratic function relating your height off a jump or halfpipe to your speed. that would be sweet. parabolas rule.
 
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