Which statement below best describes the properties of solids? a. solids have both definite shape and definite volume. b. solids have definite volume but no definite shape. c. solids have definite shape but no definite volume. d. solids have no definite shape or volume.

Alightning strike consists of charge moving from a cloud to the ground . in one particular case, the electrons in a lightning strike are confined to travel within a radius of 1.5 m and to move at a speed of 5.0 x 10 m/s. if the density of electrons in the strike is 10'15 electrons/m what current is carried by the lightning ?

Which type of microscope would allow the viewer to see ribosomes inside a cell?

Give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.