The smith family is traveling to visit cedar point. the distance to cedar point is 142.8miles. it takes the family 2 hours to complete the trip. what is the rate for the family's trip in miles per hour? hint: per means division no labels in your answer this has to be done by 4.: 00pm !

Which of the following represents a virtual image?

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

An athlete swings a ball, connected to the end of a chain, in a horizontal circle. the athlete is able to rotate the ball at the rate of 8.13 rev/s when the length of the chain is 0.600 m. when he increases the length to 0.900 m, he is able to rotate the ball only 6.04 rev/s. (a) which rate of rotation gives the greater speed for the ball? 6.04 rev/s 8.13 rev/s (b) what is the centripetal acceleration of the ball at 8.13 rev/s? m/s2 (c) what is the centripetal acceleration at 6.04 rev/s? m/s2