Kieran takes off from rest down a 50m high, 10 slope, on his jet powered skis. the skis have a thrust of 280 n parallel to the surface of the slope. the combined mass of skis and kieran is 50 kg. (the fuel mass is negligible). kierans speed at the bottom is 40m/s. what is the coefficient of kinetic friction of his skis on snow?

"i have always loved contemporary art and made it a general goal to work within the field. after a few nonprofit internships at museums and galleries, i decided to try the for-profit art world and was offered a job as the ad assistant at the magazine. i much prefer the pace of the for-profit art community and have stayed with the company for three years, with a promotion to an account manager last spring."

i just did this and got a 100.

the answer is a)

mark brainliest

there are no contact forces mentioned on the list of choices that you've provided.