Punkin Chunkin In Sussex County, Delaware, a post Halloween tradition is Punkin Chunkin, a competition in which contestants build cannons, catapults, trebuchets, and other devices to launch pumpkins to the greatest distance they can. Though hard to believe, pumpkins have been projected a distance of 1245 m (over mi) in this contest. What is the minimum initial speed needed for such a shot?

Which terms describe the purpose of antennas on devices that use radio waves? transmit and receivemodify and amplifyamplify and receivemodify and transmit

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

Which is the most accurate name for the ionic compound cas?