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anastassius [24]
3 years ago
6

PLEASE HELP FOR BRAINLIEST ANSWER!

Physics
2 answers:
Harman [31]3 years ago
7 0
I believe the answer is D hope this helped.
Alex787 [66]3 years ago
3 0
I believe the answer is the fourth one, hope this helps
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Potential energy results from the ______or position of an object.
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Mass

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A 1.2 kg block of wood hangs motionless from strings. A 50 gram bullet, traveling horzontally, strikes the block and becomes emb
Firdavs [7]

Answer:

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speed of the bullet before it hit the block

solution

we will apply here conservation of momentum that is

m1 × v1 + m2 × v2 = M × V    .............1

here m1 is mass of block and m2 is mass of bullet and v1 is initial speed of block i.e 0 and v2 is initial speed of bullet and M is combine mass of block and bullet and V is combine speed of block and bullet

put all value in equation 1

m1 × v1 + m2 × v2 = M × V

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v2 = 200 m/s

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