You slide across a wooden floor in your socks. There is a normal force of 800

N acting on you, and the coefficient of kinetic friction is 0.44. What is the

force of friction acting on you as you slide?

2. An airplane travels 335 miles in 45 minutes. How fast does it travel? How fast is that in km/hr?

The power needed for a 1000 kg car to climb a 5 degree slope is 20,000 Watts. How long did it take if the distance along the slope is 70 m? You may assume the friction and air resistance is negligible.

What can be dissolved in a salad

Which of the following statements about the rate of stellar evolution is true? The more massive the original star, the slower the evolution, because there is more material for thermonuclear burning.

A rockets initially at rest, it steady gains speed at a rate of 10m/s^2 for 4.6s during take off. What was the rocket's top speed?

Consider this statement: Air is matter. Which facts best support the statement? A. Balloons can be filled with air. B. Air is essential for life to exist. C. Air has mass. D. Air is not an element. E. To float on air is to be happy. F.

Hydroelectric power uses: wind water coal the sun

Two lightweight metal spheres are suspended near each other from insulating threads. One sphere has a net charge; the other sphere has no net charge. The spheres will: A. Attract each other B. Exert no electrostatic force on each other C.

Read the given list of organisms. squirrel, zebra, tortoise, rabbit, horse What best describes the role of these five organisms in a food web?

What are the SI units for specific heat capacity