A cannon is set at an angle of 35 to the horizontal and has a spring constant of 2530n/m. How far would the spring need to be extended if a 2.50kg duck is fired from the canon and lands 733.8m away

Why do electron microscopes have higher resolving power than light microscopes?

Astronomers studying the planet of rhombus have detected sedimentary rock on its surface. one astronomer wonders if material in this sedimentary rock used to be in igneous rock deep in rhombus’s interior. can igneous rock become sedimentary rock? explain your answer.

As seen in a us weather map, the h (or high) and l (or low) symbols indicate regions where surface air pressures are high or low, respectively, compared to surrounding areas. an h is plotted where the air pressure is highest and an l is plotted where the air pressure is lowest. proceeding outward and away from the center of a high pressure system, the air pressure "