How much net work does it take to pull an 8kg sled for 135m using 97N of force if the angle of the sled's rope is 47° to the horizontal? What is the change in KE of the sled? What is the speed of the sled after this distance if you started from rest? ​

Aballet student who learns with the of his instructor is demonstrating learning.

Which scientist was the first to propose the heliocentric model of the universe? a. aristotle b. isaac newton c. galileo galilei d. nicolaus copernicus

The pressure in car tires is often measured in pounds per square inch (lb/in.2), with the recommended pressure being in the range of 25 to 45 lb/in.2. suppose a tire has a pressure of 27.5 lb/in.2 . convert 27.5 lb/in.2 to its equivalent in atmospheres.