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Ulleksa [173]
3 years ago
11

A leaf falls through the air, floating as it falls. Air resistance is visibly affecting the leaf. Which two properties of the le

af are allowing it to be affected by air resistance
Physics
2 answers:
Black_prince [1.1K]3 years ago
5 0
Air resistance is able to get ahold of the leaf because of
the leaf's small weight and large surface area.
Norma-Jean [14]3 years ago
4 0

A) acceleration due to gravity  & D) surface area

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when approaching the front of an idling jet engine, the hazard area extends forward of the engine approximately
Dominik [7]

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7 0
2 years ago
a runner increases her speed from 3.1 m/s to 3.5 m/s during the last 15 seconds of her run, what was her acceleration during her
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5 0
4 years ago
Read 2 more answers
It takes 130 J of work to compress a certain spring 0.10m. (a) What is the force constant of this spring? (b) To compress the sp
Ede4ka [16]

Explanation:

Given that,

Work done to stretch the spring, W = 130 J

Distance, x = 0.1 m

(a) We know that work done in stretching the spring is as follows :

W=\dfrac{1}{2}kx^2\\\\k=\dfrac{2W}{x^2}\\\\k=\dfrac{2\times 130}{(0.1)^2}\\\\k=26000\ N/m

(b) If additional distance is 0.1 m i.e. x = 0.1 + 0.1 = 0.2 m

So,

W=\dfrac{1}{2}kx^2\\\\W=\dfrac{1}{2}\times 26000\times 0.2^2\\\\W=520\ J

So, the new work is more than 130 J.

6 0
3 years ago
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