A jogger is running at 4.2 m/s when she begins to accelerate uniformly. If she runs a distance of 14 m in the next 3.0 s, what is her new speed?

An object is thrown vertically downward at 3.2 m/s. How long will the object take to hit the ground 12 m below?

A car is travelling north when it enters a curve. It maintains a constant speed and leaves the curve travelling east. The direction of the car's acceleration is

What is the gravitational potential energy of a 230.0 g bird flying 1.000 km off the surface of the earth?

A person carries a 50.0 kg object up a flight of stairs. There are ten stairs; each step is 30.0 cm high and 30.0 cm deep. How much work is done to carry the object to the top of the stairs?

A 170.0 g sample of a substance is heated to 120.0 C and then plunged into 200.0 ml of water at 10.0 C. The resulting mixture has a temperature of 12.6 C. What is the specific heat capacity of the substance? Specific heat capacity of water = 4.18x103J/kgC