A star is held together by gravity. true or false.

The pull of gravity on the surface of the moon

What is one limitation of using the jawbreaker as a model for Earth's layers? A. The layers are all made out of the same material. B. The outside layer is the thinnest layer. C. The jawbreaker has four different layers. D.

What is the main reason the chemical energy of a fuel is never entirely converted to mechanical energy in an engine? A) Some of the energy is lost as heat. B) Some of the energy is converted to mass.

Electrons in a series circuit all follow the same path. a. True b. False

A predicts that the strong, weak, and electromagnetic forces should become indistinguishable at high temperatures

Select the object that has the most gravitational force. a sand grain a marble a bowling ball a tennis ball

What areas of the work force can science be applied to

Rank from fastest to slowest the following waves according to their speed of propagation: A. An earthquake wave B. A tsunami C. A sound wave in air D. A light wave

William Ferrel: introduced significant wave" forecasting measured under-surface currents using a current drag created a tide-prediction machine developed the first sonar device

A superhero flies 285 m from the top of a tall building at an angle of 35◦ below the horizontal. What is the horizontal component of the superhero's displacement?