Two spherical objects have masses of 300kg and 700kg. Their centers are separated by a distance of 30m. Find the force of gravitational attraction between them. Fg= (Gravity Constant)(m1)(m2) / d2

Fg= (.0000000000667)(m1)(m2) / d2

A. 233.33 N
B. 4.67 x 10-7
C. 1.56 x 10-8

What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided

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

You can melt ice by applying pressure because the solid/liquid line has a slope.