A man wishes to row the shortest possible distance from north to south across a river which is flowing at 2 km/hr from the east. He can row at 4 km/hr. (a) In which direction should he steer

Find the volume of the ellipsoid x^2+y^2+5z^2=36.

An object starts from rest at point f and speeds up continuously as it moves around an oval. a. choose a point about 1/8 th of the way around the oval from point f, and label it point g. draw a vector to represent the velocity of the object at point g. b. determine the change in velocity vector   between points f and g.

An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.