The radius of the Earth is 6400 km. A spacecraft orbits the Earth at a height of 1600 km above the Earth’s surface. Find the gravitational acceleration of the spacecraft at this height

Describe how the fermi level changes with donor level, temperature and contact with p and n type semiconductors

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.

What equation is used to calculate the weight of an object on a plant ?