A window washer stands on a scaffolding 30m above the ground. If he did 23,520J of work to reach the scaffolding, what is his mass?

How do you find distance on a velocity time graph?

Suppose a box is being dragged by a force of 100 n over a rough surface. if the coefficient of kinetic friction at the interface of the box and surface is 0.

An exoplanet has four times the mass and one-fourth the radius of the earth. find the acceleration due to gravity on its surface, in terms of g, the acceleration of gravity at earth's surface.

A pesticide was applied to a population of roaches, and it was determined that the LD50 was 55mgkg. If the average mass of a roach was 0.02kg, which of the following approaches will determine the dose in mg per roach?

An experiment was conducted to determine the effect of alcohol on driving. Subjects consumed varying amounts of alcohol. Then they drove around barrels. Judges rated their performances. The independent variable in the experiment was the

Stretching or drawing a solid into a wire is which of the following physical properties A) ductility B) solubility C) malleability D) conductivity

How well does the infographic ""Plastics in the Ocean"" present a solution to the problem it describes?

How does erosion move and deposit rocks

Match the word with its definition. Column A1. rotational speed 2. tangential speed 3. centripetal force 4. centripetal acceleration 5. Newton's Second Law 6. Newton's First Law Column Ba. 1 revolutions per minute (RPM) b.

How do you determine the speed or velocity of an object using a distance vs. time graph