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needhelpfastplease
Group Title
What is the kinetic energy of a 1.0kg billiard ball that moves at 5.0 m/s?
A.
5.0 J
B.
6.5 J
C.
10.0 J
D.
12.5 J
 7 months ago
 7 months ago
needhelpfastplease Group Title
What is the kinetic energy of a 1.0kg billiard ball that moves at 5.0 m/s? A. 5.0 J B. 6.5 J C. 10.0 J D. 12.5 J
 7 months ago
 7 months ago

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needhelpfastplease Group TitleBest ResponseYou've already chosen the best response.1
@kym02
 7 months ago

kym02 Group TitleBest ResponseYou've already chosen the best response.1
Do you remember the formula?
 7 months ago

needhelpfastplease Group TitleBest ResponseYou've already chosen the best response.1
i thiink so 1/2 times mass times (velocity squared) 12mv2
 7 months ago

needhelpfastplease Group TitleBest ResponseYou've already chosen the best response.1
he equation for finding Kinetic Energy KE is half the mass m times velocity v squared. KE=12mv2
 7 months ago

kym02 Group TitleBest ResponseYou've already chosen the best response.1
correct! so since\[K _{E}=\frac{ 1 }{ 2 }mv ^{2}\] then, \[\frac{ 1 }{ 2 } \times 1.0kg \times 5.0 ms ^{1}\] \[=12.5 J\] So, the answer is D.
 7 months ago

needhelpfastplease Group TitleBest ResponseYou've already chosen the best response.1
Thanks!
 7 months ago
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