How much rope would need to be pulled through a pulley with a mechanical advantage of 2 to lift a load 4 ft?

Dry ice is solid carbon dioxide that is used in the transport of food and medicine. dry ice becomes a gas at –78.5°c without becoming a liquid first.

Question 1 (5 pts): what is the maximum distance for which you can you resolve the two individual headlights of an on-coming truck as two separate lights rather than one if the headlights are separated by 2.00 m and your eye has a diameter of 1.00 centimeter? assume a wavelength of 500 nm.

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt