Two objects exert a gravitational force of 3 n on one another when they are 10 m apart. what would that force be if the distance between the two objects were reduced to 5 m?     a. 1.5 n     b. 6 n     c. 12 n     d. 24 n

How many dots must be added to the symbol to properly represent a standard nitrogen ion? a) 1 b) 3 c) 5 d) 8

A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm

Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.