In Magazine Car Tests an Important Indicator of Performance Is

Multiple Choice

In magazine car tests an important indicator of performance is the zero to 60 mph (0 to 96.6 km/h) acceleration time.A time below 6 s is considered to be extremely quick.If a car with mass 1300 kg were dropped vertically from a great height,how long would it take to go from zero to 60 mph and what would the magnitude of the change in gravitational potential energy be during this time? (neglect air resistance)

A) 2.74 s and 17.4 kJ
B) 2.74 s and 468 kJ
C) 2.74 s and 468 MJ
D) 0.37 s and 468 MJ
E) 2.74 s and 17.4 MJ