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pishuonlain [190]
3 years ago
8

HELP NOWWWWW PLEASE

Physics
2 answers:
Finger [1]3 years ago
7 0

Answer:it is A

Explanation:

ok

svetlana [45]3 years ago
7 0
The answer would be D a steel rod!
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elena-s [515]

Answer:

A

Explanation:

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2 years ago
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What is the law of conservation of energy.
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The law of conservation of energy implies that energy can neither be created nor destroyed, but can be changed from one form to another.

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A 10.0 g bullet moving at 300m/s is fired into a 1.00 kg block at rest. The bullet emerges (the bullet does not get embedded in
chubhunter [2.5K]

Answer:

v' = 1.5 m/s

Explanation:

given,

mass of the bullet, m = 10 g

initial speed of the bullet, v = 300 m/s

final speed of the bullet after collision, v' = 300/2 = 150 m/s

Mass of the block, M = 1 Kg

initial speed of the block, u = 0 m/s

velocity of the block after collision, u' = ?

using conservation of momentum

 m v + Mu = m v' + M u'

 0.01 x 300 + 0 = 0.01 x 150 + 1 x v'

v' = 0.01 x 150

v' = 1.5 m/s

Speed of the block after collision is equal to v' = 1.5 m/s

5 0
3 years ago
Power is equivalent to the energy released divided by the time taken to release the energy. true false
earnstyle [38]
P=E/t
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Two cylindrical containers are placed on a turntable. canister A is empty; canister B contains lead shots. each canister is the
devlian [24]

Answer:

c) both containers slide off the turntable at the same turntable speed.

Explanation:

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