Newtons first law of motion states that if the net force on an object is
then the motion of the
object does not change.
Hurry please!

"an open tank has the shape of a right circular cone. the tank is 6 feet across the top and 5 feet high. how much work is done in emptying the tank by pumping the water over the top edge? note: the density of water is 62.4 lbs per cubic foot."

What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of 300ft^2, and a maximum lift coefficient of 1.4? what is the stall speed if flaps that double cl, max are applied?

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?