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azamat
3 years ago
6

Think of a way you could demonstrate elastic force to a younger student. Describe the procedure you would follow and the materia

ls you would use.
Physics
1 answer:
Soloha48 [4]3 years ago
7 0

Answer:

I feel like to demonstrate you would use an elastic band as the material. You obviously have to put force in order to see how far it stretches. From this you can also find about its resistance and durability

Also you have to make sure the distance between the two hands are equal as you want an accurate result.

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A box of mass 14 kg sits on an inclined surface with an angle of 52degrees. What is the component of the weight of the box along
kolezko [41]
First, we calculate for the weight of the object by multiplying the given mass by the acceleration due to gravity which is equal to 9.8 m/s²
                       Weight = (14 kg)(9.8 m/s²)
                          Weight = 137.2 N
The component of the weight that is along the surface of the inclined plane is equal to this weight times the sine of the given angle. 
                         Weight = (137.2 N)(sin 52°)
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3 years ago
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High school and collage students answers only. <br> Are all compounds molecules? Why or why not?
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3 years ago
A truck moves 60 kilometers east from point A to point B. At point B, it turns back west and stops 15 kilometers away from point
iogann1982 [59]

Answer:

Distance: 75 km

Displacement: 45 km

Explanation:

- Distance is a scalar quantity that refers to the total space covered by an object. It is calculated as the sum of the distances covered in each motion, regardless of their direction. therefore in this case:

distance = 60 km + 15 km = 75 km

- Displacement is a vector quantity whose magnitude is equal to the difference between the final point and the starting point of the motion, so it also takes into account the direction of each motion. In this case, the truck moves 60 km east, and then 15 km west: if we call '0' the starting point, the final point will be then

p_B = 60 km - 15 km=45 km

And so the displacement is

d=p_B - p_A=45 km - 0 = 45 km

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3 years ago
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6 0
3 years ago
Middle C, also known as do on the fixed do-solfge scale, is a note used when playing or singing music. The frequency of middle C
Ahat [919]

Answer:

The speed of sound for middle C is 345.01 m/s.

Explanation:

Given that,

The frequency of middle C is 261.63 Hz

The wavelength of middle C note used when playing or singing music, \lambda=131.87\ cm=1.3187\ m

We need to find the speed of sound for middle C. We know that the relation between speed, frequency and wavelength is given by the formula as follows :

v=f\lambda\\\\v=261.63\ Hz\times 1.3187\ m\\\\v=345.01\ m/s

So, the speed of sound for middle C is 345.01 m/s. Hence, this is the required solution.

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