The projectile launcher shown below will give the object on the right an inital horizontal speed of 14.1 m/s. While the other object will be dropped with no initial speed. The objects are initially
138 cm above the ground and separated by 142 cm. What will be the difference in the landing
locations of the two objects?

Frost wedging occurs when water seeps into a crack in a rock, freezes, and causes the crack in the rock to widen. t or f

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

What is the final velocity of the initial velocity of 25 and -50?