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olya-2409 [2.1K]
4 years ago
10

If one ball with a momentum of 50 kg·m/s hits a ball at rest and no other forces are acting on either ball, what's the total mom

entum of both balls after the collision?
A. 0 kg·m/s
B. 25 kg·m/s
C. 100 kg·m/s
D. 50 kg·m/s
Chemistry
1 answer:
vitfil [10]4 years ago
5 0

Answer:

The answer is (D) 50 kg·m/s   (PF Test)

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The air pressure for a certain tire is 109 kPa. What is this pressure in atmospheres?​
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1.08 atm is the pressure for a certain tire in atmosphere.

<u>Explanation:</u>

One kilo pascal (1 kPa) corresponds to 1000 pascal. Another common unit used for pressure is atmosphere (symbolised as ‘atm’). 1 atm refers the standard atmospheric pressures and corresponds to 760 mm Hg and 101.3 kPa. Atmospheric pressures are commonly referred as square inches (psi)/ pounds.

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1.08 atm is the pressure for a certain tire in atmosphere.

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