When you drop a penny off the roof of a building, it takes 5 seconds to reach the ground. How high is the roof?

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate

Which of the following are not typically included in the periodic table? a. atomic mass b. element symbol c. isotopes d. number of electrons

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?