In the year 2220 a new ring-shaped Space Station is being designed that will provide artificial gravity by spinning about its axis. The specifications call for a centripetal acceleration at the edge of the ring that matches Earth's surface gravitational acceleration (9.8 m/s2). If the diameter of the Space Station is 2 km, what is the angular speed of the ring

Acommercial passenger jet can travel up to 970 km/hr at an altitude of 30,000 feet. at this speed, how long will it take the jet to travel 1,865 kilometers? a. 2.3 hrs b. 1.9 hrs c. 1.7 hrs d. 1.5 hrs

Arock collection comes from which part of earth?

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.