According to the law of conservation of energy, when a car uses 10,000 j of chemical energy from gasoline, how much of this energy will be transformed into mechanical, sound, or heat energy? a. 20,000 j b. 5000 j c. 10,000 j d. 2500 j

The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.

Which of the following statements comparing electron microscopy and light microscopy is false? which of the following statements comparing electron microscopy and light microscopy is false? both the electron microscope and the light microscope use the same wavelengths for illumination. images produced by light microscopes can be in color, whereas electron microscope images are black and white unless they are artificially colored. the electron microscope has greater resolution than the light microscope. electron microscopes can allow examination of viruses and internal cell structures, whereas light microscopes are limited to objects that are 0.5 micrometers and larger. request answer