А 10-kg tortoise sits on a see-saw 1 meter from the fulcrum. Where must a 2-kg hare sit in order to maintain rotational equilibrium? Assume the see-saw is massless.

What is the magnification of a real image if the image is 10.0 cm from a mirror and the object is 50.0 cm from the mirror ? use the equation m=-di/do. a. -5.0 b. 5.0 c. 0.20 d. -0.20

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

Atemperature inversion can cause a warm air mass to move over a colder air mass. this traps the colder air mass and prevents surface air from rising. this may result in which of these? a) smog b) acid rain c) freezing rain d) a thunderstorm