A 68 kg student runs up a flight of stairs that is 7 m high in 9 seconds. Calculate

how much power is used.

Two current carrying wires are parallel to one another and separated by 2cm. If the distance between them is increased to 4cm the new force will be what factor times the original force? a) 2 b) 4 c) ½ d) ¼ e) none of the above

City A is located 380 km due West of City B. A car leaves City A at 92.0 km/h East, while at the same time, a truck leaves City B at 71.0 km/h West. How far from City A will they pass each other?

A NFL linebacker runs the 100m sprint in 12s. What is his final velocity?

a 700 Newton rightward net force is being applied to a 10kg object what is the magnitude of the rightward acceleration on the object in meters per second squared?

What type of wave can be seen by the human eye

Contrast balanced and unbalanced forces.

A wave will travel only as long as it has energy

a box sliding on a frictionless surface when it suddenly begins to rain heavily. if the downpour of rainfall falls vertically into the box, gradually filling it, what would happen to the speed of the box

Which would fall with a greater acceleration in a vacuum-a leaf or a stone?

A force acts on a 5kg object at rest. How fast will the object accelerate on a frictionless surface? A.) 4 m/s^2 B.) 15 m/s^2 C.) 25 m/s^2 D.) 100 m/s^2