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hodyreva [135]
3 years ago
11

Maurice pulls on the end of a spring scale. He lets go of the end and observes the spring snap back into place. What force resto

res the spring to its original shape?
Physics
2 answers:
Zina [86]3 years ago
7 0

Elastic

Explanation is that it is force which is snapping back

Greeley [361]3 years ago
3 0

Answer: The correct answer is elastic force.

Explanation:

Elastic force: Elastic is the ability of a material to return to its original shape after being compressed or stretched.

The more the elastic is stretched, the more force it exerts to return back to its original shape.

In the given problem, Maurice pulls on the end of a spring scale. He lets go of the end and observes the spring snap back into place. The elastic force restores the spring to its original shape.

Therefore. the correct answer is elastic force.

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Student swings a small rubber stopper attached to a string over her head in a horizontal, circular path. The string is 1.50 mete
harkovskaia [24]

Answer:

v = 18.84 m/s

Explanation:

Given that,

The length of the string, r = 1.5 m (it will act as radius)

The rubber stopper makes 120 complete circles every minute.

Since, 1 minute = 60 seconds

It means, its frequency is 2 circles every second.

Let we need to find the average speed of the rubber stopper. It can be calculated as follows :

v=\dfrac{d}{T}

d is distance, d=2\pi r and 1/T = f (frequency)

v=2\pi rf\\\\=2\pi \times 1.5\times 2\\\\=18.84\ m/s

So, the average speed of the rubber stopper is 18.84 m/s.  

4 0
3 years ago
What is a primary source?
Fed [463]
//////Correct answer is C.///////
6 0
3 years ago
A standard quantity of a physical property used as a factor to compare other occurring quantities of that property is called a(n
Brrunno [24]
The correct answer that would complete the given statement above would be option B. UNIT (of measurement). <span>A standard quantity of a physical property used as a factor to compare other occurring quantities of that property is called a unit of measurement. Hope this answers your question. </span>
3 0
3 years ago
A. A PH202 student lives next to a construction site and sees a crane with a wrecking ball demolish the building next door. The
netineya [11]

Answer:

The length of cable is 12.5 m

Explanation:

Since, the wrecking ball completes 1 oscillation, in the same time, as it takes for the rock to complete 5 oscillations.

Therefore,

Time Period of Wrecking Ball = 5 (Time Period of Rock)

Since,

Time Period of  Pendulum = 2π√(L/g)

Therefore,

2π√(L₁/g) = 5[2π√(L₂/g)]

√L₁ = 5√L₂

Squaring on both sides:

L₁ = 25 L₂

where,

L₁ = Length of Cable = ?

L₂ = Length of string = 0.5 m

Therefore,

L₁ = 25 (0.5 m)

<u>L₁ = 12.5 m</u>

8 0
3 years ago
300 ml of a gas at 27°C is Cooled at -3°c at Constant pressure the final volume is plzz answer fast i will mark brainliest ​
Scorpion4ik [409]

Answer:V₁=300ml

T₁=27°C

V₂=?

T₂= -3°C

as we know

V₁T₁=V₂T₂

By putting values in formula

300ml×27°C=V₂×(-3°C)

300ml×27°C/-3°C=V₂

8100ml/-3=V₂

-2700ml=V₂

or V₂=  -2700ml

4 0
3 years ago
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