PLZ I'LL MARK BRAINLIEST -- If Joe and John went to a different park and found a set of swings that were twice as tall, but traveled at the same speed. In this case each would experience (more, less, the same) centripetal force as on the other ride and (a greater, the smaller, the same) acceleration than the other ride.

Asteel tube (k=50 w/mk) of inner and outer diameter di = 20mm and do=26mm, respectively, is used to transfer heat from hot gases flowing over the tube (h-hot = 200w/m2k) to cold water flowing through the tube (h-cold = 8000 w/m2k). what is the cold-side overall heat transfer coefficient uc? to enhance heat transfer 16 straight fins of rectangular profile are installed longitudinally along the outer surface of the tube. the fins are equally spaced around the circumference of the tube, each having a thickness of 2mm and a length of 15mm. what is the corresponding overall heat transfer coefficient uc? *solve for uc in both cases*