If a car increases its speed from 20km/h to 100 km/h undergoes positive acceleration. Hope this helped!
Answer:
a) (1.4 + 1.9) = 3.3m/sec.
(35/3.3) = 10.6 secs.
b) (1.9 - 1.4) = 0.5m/sec.
(35/0.5) = 70 secs.
Explanation:
Answer:
It is at a higher frequency then the original one
Explanation
Got this right on a quiz a while back
1. the conductivity of the material
2. temprature differences
3.thickness of the material
4. area of the material
