A solenoid has a magnetic field at its center of 7.400 mT. If the solenoid has 471 turns and a current of 7.908 amps, its length, in centimeters, is, to three decimal places. Required:
a. What minimum number of turns per unit length must the solenoid have?
b. What total length of wire is required?

The slope of a velocity time graph over any interval of time gives the during that interval

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom

1kg of water needs to recieve 4200j of energy to go from 90 degrees to 91 degrees. what is the specific heat capacity of water? what are the units?