Recent content by SPH4U

Thanks Al, so far, I got this: d=v1t+0.5(a)(t)^2 198m=(0.5)(a)(t+1.5)^2 198m=(0.5)(a)(t^2+3t+2.25) Where do you go from there? It looks like I need another hint. Factoring that quadratic gives me a double zero at -1.5, what does that mean? I was thinking...

Homework Statement Lindsay was on her way to visit her grandmother in Kansas when suddenly a tornado picked her up and transported her to Oz. While standing beside a 198m cliff, she dropped a yellow brick over the side. It has a mass of 1.9Kg. As it was plummeting to the ground, she decided...

That's the exact question. My teacher said that it was possible though =(

Thanks for replying Al; that's what had me thinking... All the question says about force is that it's constant, it doesn't give any values for acceleration or force.

Homework Statement Jarek is motoring along when he spots Chris and Michelle thumbing a ride back to Winnipeg. He hitches them up to two ropes and accelerates westward towards Winnipeg, He pulls with a constant force on a rope which slopes down 30 degrees to Chris's belt. A second rope...