Given the following lens combination:

Lens ... diameter ... fl#

eyepiece ... 2cm ... 5

objective ... 40cm ... 15

what is the magnification?

What is an interaction pair?

Which statement best describes air pressure at high altitudes?

To a fish, the 4.20 mm thick aquarium walls appear to be only 3.80 mm thick. What is the index of refraction of the walls?

A speedboat initially at rest accelerates uniformly at 4.0 m/s (squared) for 7.0 s. How fast is the boat moving after 7.0 s?

Consider a cylindrical nickel wire 1.6 mm in diameter and 2.5 * 104 mm long. Calculate its elongation when a load of 320 N is applied.

Vector A makes equal angles with x, y and z axis. value of its components (in terms of magnitude of vector A will be?

What has become an important alternative to Piagetian approaches?

How would life on earth be different if earth's axis were not tilted with respect to its orbit? A. There would be no seasons. B. There would be no day and night. C. All places would have the same climate. D. The seasons would be much shorter.

What will a spring scale read for the weight of a 75.0-kg woman in an elevator that moves upward with constant speed of 5.8 m/s?

What's the definition of: • cellular respiration • photosynthesis