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Sauron [17]
3 years ago
6

One type of potential energy is elastic energy. This is energy stored up and then released by objects that can stretch and snap

back, like springs and rubber bands. Jim, Sally, and Sarah each have the same type of slingshot. Jim is not stretching his out at all. Sally has hers halfway stretched. Sarah has fully stretched her slingshot out. Which slingshot contains the most elastic energy? A) Jim's unstretched slingshot. B) Sarah's fully stretched slingshot. C) Sally's halfway stretched slingshot. D) All the slingshots have an equal amount of elastic energy.
SAT
1 answer:
S_A_V [24]3 years ago
4 0

Answer: The answer is B- Sarah's fully stretched slingshot

Explanation:

The more expanded rubber band will have the most potential energy because it is stretched the farthest.

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Suppose that 3. 33 g of acetone at 25. 0 °c condenses on the surface of a 44. 0-g block of aluminum that is initially at 25 °c.
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The final temperature on the block is 25 degrees.

Heat is a form of energy. This question shows that energy is transferred from the acetone to the metal block.

Data given;

  • M1 = 3.33g
  • T1 = 25 degrees
  • M2 = 44g
  • T2 = 25 degree
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<h3>Heat Transfer</h3>

Applying the principles of heat transfer,

Heat loss = Heat gain

m1c1(T1 - T3) = m2c2(T3 - T2)\\3.33*124.5*(25.0 - T3) = 44*0.89*(T3 - 25)\\10364.625 - 414.585T3 = 39.16T3 - 979\\10364.625+979 = 414.585T3 +39.16T3\\11343.25 = 453.745T3\\T3 = \frac{11343.25}{453.745} \\T3 = 24.999\\T3 = 25

From the calculation above, the final temperature on the block is 25 degrees.

Learn more on heat transfer here;

brainly.com/question/15003174

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2 years ago
According to Hebrews 11, what did Abraham believe God would do if Isaac was slain as a sacrifice?
Likurg_2 [28]

Answer: He believed God would revive Isaac.

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If 4 times a number is 48 what is 1/3 of this number.
Mashutka [201]

Answer:

The answer is 4

Explanation:

<h3><u>Given</u>;</h3>
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<h3><u>To </u><u>Find</u>;</h3>
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Now,

48 ÷ 4 = 12

So,

12 × 1/3 = 4

Thus, 1/3 of this number is 4

<u>-TheUnknownScientist 72</u>

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