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Anna71 [15]
3 years ago
13

You want to create a device to warm food that is safe. Which type of electromagnetic wave would be most useful to investigate?

Physics
1 answer:
Studentka2010 [4]3 years ago
6 0
The answer is Infrared waves
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ALWAYS use significant figure rules. Remember that these rules apply to all numbers that are measurements. A person walks along
Elza [17]
To find the total number of miles traveled by a person, we add the distance that he has traveled: 3.0 + 5.00 + 4.000. 

Now, to find the accurate number of significant figures when adding measurements, the basic rule for addition is to use the least number of decimal places when reporting the result.

Now, since 3.0 has the least number of decimal places, we report the sum with 1 decimal place and have 12.0 miles as the total distance traveled by the person to reach his destination.

Answer: 12.0 miles
8 0
4 years ago
Jeff wrote the following statement:
S_A_V [24]

Answer:

i think its the second one

Explanation:

simply because hes living by that theory wveryday that because his dads a good athlete then hell be one too

8 0
2 years ago
Read 2 more answers
How do you graph distance and time for an object that moves at a constant speed?
LekaFEV [45]

Answer:

It would be a straight line

Explanation:

On a distance-time graph, an object that moves at constant speed would be represented by a straight line.

In fact, in a distance-time graph, the slope of the line corresponds to the speed of the object. We can demonstrate that. In fact:

- The speed of the object is equal to the ratio between the distance covered (\Delta s) and the time taken (\Delta t):

v=\frac{\Delta s}{\Delta t}

On a distance-time graph, the distance is on the y-axis while the time is on the x-axis. The slope of the line is defined as:

m=\frac{\Delta y}{\Delta x}

But the variation on the y-axis (\Delta y) is equal to the distance covered (\Delta s), while the variation on the x-axis (\Delta x) corresponds to the time taken (\Delta t), so the slope can also be rewritten as

m=\frac{\Delta s}{\Delta t}

which is equal to the speed of the object. Therefore, an object moving at constant speed would be represented by a line with constant slope, which means a straight line.

6 0
3 years ago
Read 2 more answers
What is matter that is composed of more than one substance
Juliette [100K]
Compounds are made up of more than 1 type of atom
7 0
3 years ago
Which of the following is TRUE regarding Softball?
Y_Kistochka [10]

Answer:

There are two popular forms of softball, distinguished by the type of pitch.

Explanation:

Softball refers to a kind of sports that is similar to baseball in terms of game play but softball is played with a larger ball. The game of softball was first introduced as an indoor game in Chicago, Illinois, United States of America in the year 1887. Also, the field for playing softball is relatively smaller than that of baseball and as such its game play is quite faster.

Some of the kits and paraphernalia used for playing softball are base, bat, softball, gloves, jerseys etc.

There are two (2) main types of softball game and these are;

I. Fast-pitch softball.

II. Slow-pitch softball.

Hence, the true statement regarding softball is that, there are two popular forms of softball, distinguished by the type of pitch.

7 0
3 years ago
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