If a marble is released from a height of 10 meters, how long would it take for it to hit the ground?

Alow cost, low earth orbit (leo) satellite is to be fabricated at a university, for subsequent launch by rocket. what are the constraints and objectives for selection of a material suitable for the satellite bus (i.e. the structure)? explain each in brief. (15 marks) b)suggest sources of data which could support the selection of materials for applications in space. (5 marks) c) set weights for the objectives listed in (2a) using the digital logic method. (5 marks)

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?

What happens to an isotope during radioactive decay?