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padilas [110]
3 years ago
6

How do i solve this? and please show out the working

Chemistry
2 answers:
irina1246 [14]3 years ago
4 0
What does it say maybe I can help u
Mrrafil [7]3 years ago
3 0
I don't know what does it means after “calculate the”
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What describes a phase change
Finger [1]
A phase change is when matter changes to from one state ( solid, liquid, gas, plasma) to another.
3 0
2 years ago
A discus thrower throws a 1.6kg discus at 25m/s what's the kinetic energy?​
Ilya [14]

Answer:

<h2>500 J</h2>

Explanation:

The kinetic energy of an object can be found by using the formula

k =  \frac{1}{2} m {v}^{2} \\

where

m is the mass

v is the velocity

From the question

m = 1.6 kg

v = 25 m/s

We have

k =  \frac{1}{2}  \times 1.6 \times  {25}^{2}  \\  = 0.8 \times 625 \\  = 500

We have the final answer as

<h3>500 J </h3>

Hope this helps you

6 0
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3 years ago
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4060

Explanation:

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