2. What two measurements are needed to

calculate work?

What is the pressure exerted by a 600 N man standing on a 5m^2 platform

Which of the following elements has the lowest electronegativity? A. Atoms to the right on the periodic table B. Atoms to the left for the periodic table C. Atoms with large atomic radius D. Atoms with small atomic radius

How would the force of a test charge change if the electric field is doubled? The force would double. The force would decrease by half. The force would increase by a factor of four. The force would decrease by a factor of four.

What keeps the electrons from leaving an atom in the rutherford model of the atom? a. strong electrostatic attraction to the nucleus b. strong attraction to other electrons c. the repulsive forces between electrons d. an outer coating on the atom e.

In a football game, running back is at the 10 yard line and running up the field towards the 50 yard line, and runs for 3 seconds at 8yd/s. what is his current position (in yards) ?

A sound from a source has an intensity of 270 db when it is 1 m from the source. what is the intensity of the sound when it is 3 m from the source?

What experimental term is it when a ruler is dropped to the floor?

Where is most of the energy from incoming waves focused? A. spit B. headland C. underwater D. barrier beach

Exoplanets (planets outside our solar system) are an active area of modern research. Suppose you read an article stating that there is a newly discovered planetary system with three planets.

A car with a mass 1200 kg accelerates at 1.89 m/s2. What is the total force exerted by the car on the road (answer in N to two decimal places) ?