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lyudmila [28]
2 years ago
14

PLE HELP

Physics
1 answer:
Lina20 [59]2 years ago
6 0
Temperature is a measurement of the average kinetic energy of an object’s molecules
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Where does the
GREYUIT [131]

Answer:

it comes from your knowledge and the information you have to get the reason why that is the answer so you are putting together things that you already know what the new information you have

5 0
3 years ago
Suppose it takes a constant force a time of 6.0 seconds to slow a 2500 kg truck
erastovalidia [21]

Answer:

3.3\cdot 10^3\:\mathrm{N}

Explanation:

Impulse on an object is given by \mathrm{[impulse]}=F\Delta t.

However, it's also given as change in momentum (impulse-momentum theorem).

Therefore, we can set the change in momentum equal to the former formula for impulse:

\Delta p=F\Delta t.

Momentum is given by p=mv. Because the truck's mass is maintained, only it's velocity is changing. Since the truck is being slowed from 26.0 m/s to 18.0 m/s, it's change in velocity is 8.0 m/s. Therefore, it's change in momentum is:

p=2500\cdot 8.0=20,000\:\mathrm{kg\cdot m/s}.

Now we plug in our values and solve:

\Delta p=F\Delta t,\\F=\frac{\Delta p}{\Delta t},\\F=\frac{20,000}{6}=\fbox{$3.3\cdot 10^3\:\mathrm{N}$}(two significant figures).

6 0
3 years ago
How can we help people with anger problems!?​
zubka84 [21]

If someone with anger issues is struggling to control their temper, great tips are:

1. Find something in your life that you've been through that may relate to what this person is angry about, and calmly share your story. For example, Tom is abnormally angry about not getting his new tool kit delivered on time. So you say, "I understand, one time I waited weeks for my phone case to come in and it upset me very much."

2. Take the angered individual to an isolated and private area. This gives them less triggers and is safer for others.

3. Teach the person coping skills when they are NOT currently having an episode. For example, Chloe is in a good mood while she is painting her nails. So you say, "Can I show you a coping skill for anger I found online? Its awesome! Just tense up every muscle in your body as hard as you can for 5 seconds, then release the tension slowly for 10 seconds. Repeat until you feel cooled down. Try it!"

4. If someone's anger problems become a threat to themselves or those around them, take this person to see a professional. It could be serious!

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3 years ago
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Before giving an injection, a nurse dabs some alcohol on to the patients arm. This makes the patients skin feel cold. Explain wh
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The alcohol takes heat from your arm to evaporate
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3 years ago
A man is pulling a 13-kg sled across a flat, snowy surface. He holds the handle of the sled at a 30° angle with the ground.
adoni [48]
Check the solution. I hope it helps.. Option D is the correct answer.

6 0
4 years ago
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