Four balls are dropped from a platform, 20 meters high. Which ball will experience the GREATEST change in kinetic energy, from p
latform to ground?
10 kg
20 kg
30 kg
40 kg
1 answer:
The heaviest ball will have the most Potential Energy loss and Kinetic Energy gain, so your answer should be D
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Explanation:
this is due to the roughness of the metal like you mentioned aluminum and iron are rough and don't provide a reflective surface as good as a mirror
Kelly walks 5km.
1 km = 1000m.
5x1000 = 5000meters
1.5h = 90minutes
90miX60 = 5400s
10m/54s
And so on
Answer:
286
Explanation:
p1v1/T1=p2v2/T2
then subtitude your values
T2=760*0.65*273/210*0.040
T2=135/8.4=16+273=289
This would be the definition of a resistor. These components inhibit or “resist” the flow of a current.
Hope this helps!
Answer:
TRUE!!!!!!
Explanation:
