The 10 lb block has an initial velocity of 10 ft/s on the smooth plane. if a force f= (2.5t) lb, where t is in seconds, acts on the block for 3s, determine the final velocity of the block and the distance the block travels during this time

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

This problem has been solved! see the answera non-uniform fire escape ladder is 6.0m long whenextended to the icy alley below. it is held at the top by africtionless pivot, and there is neglibible frictional force fromthe icy surface at the bottom. the ladder weighs 250n, and it'scenter of gravity is 2.0m along the ladder from the bottom. amother and child of total weight 750n are on the ladder 1.5m fromthe pivot. the ladder makes an angle θ with the horizontal.find the magnitude and direction ofa) the force exerted by the icy alley on the ladderb) the force exerted by the ladder on the pivotc) do your answers in part a and b depend on the angle?

Who was the first scientist to measure speed as distance over time?