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snow_lady [41]
3 years ago
12

What is a purpose in flexibility ​

Physics
2 answers:
icang [17]3 years ago
8 0

Answer:

To prevent from getting injured.

Stells [14]3 years ago
6 0

it can prevent us from various accident a

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A cart rolling down an incline that is 60 meters long. If the cart has a beginning speed of 2.0 m/s and it
fiasKO [112]

Answer:

4 m/s²

Explanation:

Given:

Δx = 60 m

v₀ = 2.0 m/s

v = 22 m/s

Find: a

v² = v₀² + 2aΔx

(22 m/s)² = (2.0 m/s)² + 2a (60 m)

a = 4 m/s²

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3 years ago
Relationships between organisms may be helpful or harmful. Which of the following describes a relationship that is helpful to bo
Sunny_sXe [5.5K]
A is the correct answer. It is an example of mutualism, where both species involved benefits.
8 0
3 years ago
A shopper weighs 4.00 kg of apples on a supermarket scale whose spring obeys Hooke's law and notes that the spring stretches a d
Irina-Kira [14]

Answer:

a) 0.040625 m

b) 5.02272 J

Explanation:

k = Spring constant

x = Stretched length

F = Force

a)

F=kx\\\Rightarrow k=\frac{F}{x}\\\Rightarrow k=\frac{4\times 9.81}{0.025}\\\Rightarrow k=1569.6\ N/m

F=kx\\\Rightarrow x=\frac{F}{k}\\\Rightarrow x=\frac{6.5\times 9.81}{1569.6}\\\Rightarrow x=0.040625\ m

Extension of the spring would be 0.040625 m

b) Work done in a spring

W=\frac{1}{2}kx^2\\\Rightarrow W=\frac{1}{2}\times 1569.6\times 0.08^2\\\Rightarrow W=5.02272\ J

The work done by the shopper to stretch this spring a total distance of 8.00 cm is 5.02272 J

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3 years ago
Why do you think that the speeds of comets increase as they near the sun
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Because the force of gravity attracts the comets towards the sun
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4 years ago
Why sounds hear clearly at night than day? <br><br><br>No one give proper answer. ​
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when you carry the 2 and add the 3 its Z

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