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Marta_Voda [28]

3 years ago

9

An inflated balloon is left outside overnight. initially it has a volume of 1.84 L when the temperature is 293.4 K and the press

ure. what temperature will the balloon have a volume of 1540mL. If the pressure falls to 14.41 psi?

1 answer:

Mrac [35]3 years ago

5 0

Answer:

ffff

Explanation:

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A 2.3 kg object has 15 ) of kinetic energy. Calculate its speed.

chubhunter [2.5K]

Answer:

<h3>The answer is option D</h3>

Explanation:

To find the speed given the kinetic energy and mass we use the formula

$v = \sqrt{ \frac{2KE}{m} } \\$

where

m is the mass

v is the speed

From the question

KE = 15 J

m = 2.3 kg

We have

$v = \sqrt{ \frac{2 \times 15}{2.3} } = \sqrt{ \frac{30}{2.3} } \\ = 3.61157559...$

We have the final answer as

<h3>3.6 m/s</h3>

Hope this helps you

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4 years ago