A 5.0 kg crate is on an inclined ramp that makes an angle of 30. degrees with the horizontal.  If the coefficient of static friction is 0.50, what is the minimum force needed to hold the crate at rest?

If the slope on a position vs time graph is a straight, horizontal line, the object is

A rock is dropped off of a tall bridge.  The rock takes 4.05 s to reach the water below.  What is the height of the bridge (ignore air resistance)?

A river flows north to south with a speed of [v1] m/s.  If a kayak is propelled due east across this river at a speed of [v2] m/s, and the river is [d] m wide, how far downstream will the kayaker land with respect to their original position on the west bank of the river, in meters?

A sled slides down a hill at constant velocity.  This allows us to conclude

A useful method of expressing very large or very small numbers is 

A person weighing [w] N is in an elevator that is accelerating downward at a rate of [a] m/s2.  What is the force exerted on the person by the elevator floor, in Newtons?

A pilot drops a bomb from a plane flying horizontally at a constant speed.  If you ignore air resistance, the bomb will hit the ground

Find the area between the curve y = x2 and y = 4.  Show your work and results in the file that you upload.

Find the consumer’s surplus at a price level of for the price-demand equation p = D(x) = 325 – 0.05x.