Astudent microscope has a 10x objective and a 15x eyepiece. a student is using the microscope to view a thin slice of an apple. the cells in the apple have a diameter of 0.10 mm. assume a length l = 160 mm. part a
how far from the objective lens should the apple slice be placed?
part b
determine the angular size of a cell when viewed through the microscope.
part c
determine the angular size of a 19-mm-diameter penny at a distance of 25 cm.

Ineed this now one scientist feels that the changes in global climatic patterns may be good for the health of the biosphere. another scientist feels that sharp changes in climatic patterns could result in the extinction of the biosphere. which of these is the most likely reason the two scientists gave conflicting opinions on the impact of changes in the global climatic pattern? they do not have enough knowledge on the topic. they did not discuss the issue among themselves. they believe conflicting opinion strengthens science. they study different areas of science and have different scientific focuses.

A6.0-kilogram cart initially traveling at 4.0 meters per second east accelerates uniformly at 0.50 meter per second squared east for 3.0 seconds. what is the speed of the cart at the end of this 3.0 second interval? (1) 1.5 m/s (3) 3.0 m/s (2) 5.5 m/s (4) 7.0 m/s

Which of the following are forms of phase changes a. freezing b. condensation c. heating d. exchanging