Aderived unit is a combination of fundamental units. which of the following is an example of a derived unit?
a) centimeter (used to measure distance)
b) gram (used to measure mass)
c) cubic centimeter (used to measure volume)

Ablock of mass 1.5 kg slides down an inclined plane that has an angle of 15. if the inclined plane has no friction and the block starts at a height of 3 m, how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is g = 9.8 m/s2. a. 6.8 j b. 50.9 j c. 0 j d. 44.1 j

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?