K.E. = 1/2 mv²
K.E. is directly proportional to v^2
So, when K.E. increase by 2, K.E. increase by root. 2
v' = 1.41v
original v value was 3 so, final would be:
v' = 1.41*3 = 4.23
After round-off to it's tenth value, it will be:
v' = 4.2
So, option B is your answer!
Hope this helps!
<span>(20 cm)/(5 sec) = (0.20 meters)/(5 seconds)
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The farther away an object is from the Sun the slower it orbits around it. The closer an object is from the Sun the faster it orbits around it.
1. Always be the bigger person
2. Violence is never the answer
3. Don’t fight fire with fire
