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vodomira [7]
2 years ago
6

Can someone please help me ​

Physics
1 answer:
siniylev [52]2 years ago
6 0

Answer:

M a = (M1 + M2) a = F         Newton's Second Law

F = (M2 - M1) g         net force on the system

a = (M2 - M1) / (M1 + M2) g

a = (9 - 7) / (9 + 7) g = 2 / 16 * 10.0 m/s^2 = 1.25 m/s^2

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tresset_1 [31]

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4 years ago
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vichka [17]
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5 0
3 years ago
1000 kg has 50, 000 joules of kinetic energy. what is it's speed?
kicyunya [14]
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7 0
3 years ago
PLEASE HELP! I don't get it at all! Speed is one thing; distance is another. Where is the arrow you shoot up at 50m/s when it ru
LuckyWell [14K]
I got you b, V(final)^2=V(initial+2acceleration*displacement
So this turns to (0m/s)^2=(50m/s)^2+2(9.8)(d) so just flip it all around to isolate d so you get
-(50m/s)^2/2(9.8) = d so you get roughly 12.7555 meters up
4 0
3 years ago
Read 2 more answers
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