Astone tumbles into a mine shaft strikes bottom after falling for 4.2 seconds. how deep is the mine shaft

What describes the formation of horizon b? a. forms at the surface b. features parent material c. undergoes the most change d. forms due to decomposed material i think the answer is c. undergoes the most change

Ajet plane flying 600 m/s experience an acceleration of 4.0 g when pulling out of a circular dive. what is the radius of curvature part of the path in which the plane is flying? a) 7100 m b) 650 m c) 9200 m d) 1200 m

Preciso de ajuda na parte de termometria e tenho prova amanhã ajuda ae prf