Answer:
42.87
Explanation:
Google
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420/9.8 which equals 42.87.
Answer:
C) W = - 190 J
Explanation:
Notation
Wf = work done by the friction force (unknown)
Ff = force of the friction
d = distance travelled by the box = (2 pi 1.82 m) = 11.435 m
Since the boot-print was left there nearly 50 years ago, there has been very little wind and very little rain in that area, and plus, there have been very few people or other animals walking around in that spot to disturb it.
The answer is C.
An object on the moon is six times lighter than on Earth.
Choice A is the right answer! Buy at high altitude and sell at low altitude
Hope this helps :)