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Alex_Xolod [135]
2 years ago
10

I need help on 14 and 15

Physics
1 answer:
Fudgin [204]2 years ago
5 0
14. The difference between weather and climate is a measure of time. Weather is what conditions of the atmosphere are over a short period of time, and climate is how the atmosphere "behaves" over relatively long periods of time

I hope I helped you with number 14, I can't answer number 15 sorry :(
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An object is attached to a vertical spring and bobs up and down between points A and B. Where is the object located when its kin
gtnhenbr [62]

Answer:

a. at either A or B

Explanation:

Kinetic energy may be defined as the energy of the system or an object which is due to its velocity of the object it possess.

In the context, an object having mass  is attached to spring which is vertical and the object moves up and down due to spring effect between points A and B. Now these points A and B are the extreme points after which the object bounces back.

At point A and B, the velocity of the object becomes zero and hence the kinetic energy of a body varies directly proportional to its velocity.

                  i.e. Kinetic energy $= \frac{1}{2} \text{mass} \times (\text{ velocity})^2$  

4 0
3 years ago
Ehren is trying to increase his mile run from eight to six minutes. He has decided to run some sandy hills near his home. Which
densk [106]

Answer:

The correct answer is intensity.

Explanation:

The principle of overload is a basic sports fitness training concept which means that in order to improve, athletes must continually work harder as they their bodies adjust to existing workouts. Thus, overloading also plays a role in skill learning.

Now, since erhen wants to increase his mile run from eight to six minutes by run some sandy hills near his home, it means the principle at work is making his training runs more intense for better speed results. Thus the principle at work is intensity because he is trying to do something that makes him run faster.

3 0
2 years ago
Calculate the heat energy needed to change the temperature of 2 kg of copper from 10°C to 110°C.
serious [3.7K]
<span>The specific heat (or the amount of heat required to raise the temperature of a unit mass of a substance by 1 degree Celsius) of copper is about 0.386 J/g/degree Celsius. This means that if we supply 0.386 J of energy to 1 gram of copper, its temperature will increase by 1 degree Celsius.</span>
7 0
3 years ago
Read 2 more answers
When you cut a board with a power saw as compared with a handsaw, how much work do you do with the power saw?
oee [108]
I believe the answer is A) Less work in less time. 
7 0
2 years ago
Read 2 more answers
5. For the speaker in this circuit, the voltage across it is always proportional to the current through it. Find the maximum amo
rosijanka [135]

Answer:

speaker64

--------

34x

Explanation:

64-34

x

speaker

4

2

4

788

- circuit

voltage

100000

x.34

Sorry but you have no picture shown

4 0
3 years ago
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