Abook that weighs 16n is on top of a shelf that is 3m high. what is the work required to
raise the book from the floor to the shelf?

Which of the following changes to a pipe would increase the conductance by a factor of 12? 1.quadrupling the length and tripling the radius.2.reducing the length by a factor of and doubling the radius.3.tripling the length and reducing the radius by a factor of .4.reducing the length but a factor of and doubling the radius.

70 give a real life example showing how sensory neurons work with the motor neurons

What is the role of lenses in microscopy?