Assume you are riding in a plane that is moving at a speed of 600kmh relative to the ground. If you walk from the back to the front of the airplane at a speed of 1.0 km/h, then your speed relative to the ground is A. 1.0 km/h
B. 599 km/h
C. 600 km/h
D. 601 km/h

All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction

Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?

J. j. thomson’s experiment disproved the theory that an atom