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Ksenya-84 [330]

3 years ago

11

Would you expect the tensile strength of polychlorotrifluoroethylene to be greater, the same as, or less than that of a polytetr

afluoroethylene specimen having the same molecular weight and degree of crystallinity?

1 answer:

lbvjy [14]3 years ago

3 0

Answer:

idk

Explanation:

idk

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Which combination of elements will form an ionic bond?

Anna007 [38]

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Explanation:

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3 years ago

a 10kg box car rolls at 6m/s and crashes into a 20kg box car that is at rest. After the crash, both cars are stuck together. wha

Goshia [24]

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5 0

3 years ago

igor_vitrenko [27]

Answer:

$a=40\ m/s^2$

Explanation:

Given that,

Initial speed of a shuttlecock, u = 30 m/s

Final speed of the shuttlecock, v = 10 m/s

Time, t = 0.5 s

We need to find its average acceleration. The acceleration of an object is equal to the change in speed divided by time taken. It is given by :

$a=\dfrac{v-u}{t}\\\\a=\dfrac{10-30}{0.5}\\\\a=-40\ m/s^2$

So, the average acceleration of badminton shuttlecock is $40\ m/s^2$ .

3 0

3 years ago