Find the scalar and vector projections of b onto a. a = (1, 4, 8}, b =(14,1,2) scalar projection of b onto a vector projection of b onto a A tow truck drags a stalled car along a road. The chain makes an angle of 30 with the road and the tension in the chain is 1000 N. How much work is done by the truck in pulling the car 1 km? 866025 J A boat sails south with the heip of a wind blowing in the direction S36E with magnitude 300 lb. Find the work done by the wind as the boat moves 150 Ft. (Round your answer to the nearest whole number.) Em: Find the limit. lim 7+ +2 7 tan-1 (t), 7 - e-2t t- 00 7 -+2 t XFind a vector function, r(t), that represents the curve of intersection of the two surfaces. the paraboloid z = 8X2 + y2 and the parabolic cylinder y = 2x2 PU") 312125832 + 4:4