A distracted driver going along a parkway at constant speed of 14 m/s passes a police car parked at the sidelines. If the police car takes 4.0 s to take off and chases the distracted driver accelerating at a rate of 2.0 m/s2, how long until it catches with the distracted driver's car? A. 28 s B. 21 s C. 7.0 s D. 110 s E. 56 s

Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates