Your friend wanted to show off his new, 1300 kg, 5.5 m long, redcar and wanted to impress you with its speed. You believedthat
your 1200 kg, 6.9 m long, blue car is at least as fast and wantedto demonstrate its performance to him. The two of youpositioned
your cars next to each other at a red traffic light. When thetraffic light turned green, the red car began speeding up at therate of 3 ,
but you kept your blue car at rest for 3.4 s before you startedspeeding up at the rate of 5.1 .
a) How far did the red car travel during the 3.4 s that the bluecar stayed at rest?
m
b) How fast was the red car moving after the first 3.4 s?
m/s
When your blue car caught up to your friend's red car, your twocars were next to each other.
c) How much time did it take for the blue car to catch up to thered car?
s
d) How far did the blue car travel to catch up to the redcar?
m
d) How fast was the red car moving when the the blue car caught upto it?
m/s
e) How fast was the blue car moving when it caught up to the redcar?
m/s
Your friend wanted to show off his new, 1300 kg, 5.5 m long, redcar and wanted to impress you with its speed. You believedthat
your 1200 kg, 6.9 m long, blue car is at least as fast and wantedto demonstrate its performance to him. The two of youpositioned
your cars next to each other at a red traffic light. When thetraffic light turned green, the red car began speeding up at therate of 3 ,
but you kept your blue car at rest for 3.4 s before you startedspeeding up at the rate of 5.1 .
a) How far did the red car travel during the 3.4 s that the bluecar stayed at rest?
m
b) How fast was the red car moving after the first 3.4 s?
m/s
When your blue car caught up to your friend's red car, your twocars were next to each other.
c) How much time did it take for the blue car to catch up to thered car?
s
d) How far did the blue car travel to catch up to the redcar?
m
d) How fast was the red car moving when the the blue car caught upto it?
m/s
e) How fast was the blue car moving when it caught up to the redcar?
m/s
