3) Two skaters (each has a mass of 50 kg) push off one another. They push with a force of 200N for 0.5 seconds. a) What is the velocity of each skater after the push?

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

Which of the following are molecules? a. al b. ag c. mgcl2 d. nacl e. c3h8

Acar going 30 m/s to 70 m/s in 10 seconds calculate the acceleration of the car