You exert a 100-N force on a pulley system to lift 300 N. What's the mechanical advantage of this system? How many sections of rope support the weight?

Which weather condition commonly occurs along a cold front

The linear, step wise representation of the process of science from the traditional scientific method, while simplified, does capture the core logic of science: testing ideas with evidence. 1.) True 2.) False

Explain why the shortening velocity became slower as the load became heavier in this experiment. how well did the results compare with your prediction?

What role does gravity play in the universe

Based on the data Thomson collected in his experiments using cathode rays, the concept of atomic structure was modified. What statement about the atomic structure was validated by his cathode ray experiments?

65 million years ago there was a mass extinction that is best known for killing the dinosaurs. There was also a large deposit of dust that contained substances only found in asteroids.

Near which location in New York State would a geologist have the greatest chance of finding dinosaur footprints in the surface bedrock?

E=mc^2 solve for c E/m m/E sqrt (E/m) sqrt (m/E) E - m sqrt (E-m)

For resonance to occur, the object must experience a frequency equal to its what? amplitude period wavelength natural frequency

Rasheed runs a football 10 meters east, turns and runs the football 6 meters west. If his velocity during this run is found to be 3 meters/second, how long does this take Rasheed to complete this run?