Show equation & sub with units if possible! a) A 220. kg snowmobile, carrying a 95. kg rider, moves at a constant speed across a snow covered trail. The ski against snow has a coefficient of friction of 0.0502. What applied force must the engine produce ? b) If the snowmobile above develops 3,130 watts of power during a ride lasting 1.50 minutes, what distance does the snowmobile travel? c) How much horsepower does this engine generate during the ride