When U-238 transmutates into Th-234, this represents . Alpha decay
Electron capture
Beta-decay
Gamma decay

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

Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n

The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?