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zaharov [31]
3 years ago
15

What does critical mean?

Physics
2 answers:
iren2701 [21]3 years ago
5 0

expressing adverse or disapproving comments or judgments.
Nastasia [14]3 years ago
3 0

Answer:

a. pertaining to a state, value, or quantity at which one or more properties of a substance or system change. b. of a quantity of fissionable material large enough to sustain a chain reaction. [1580–90]

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seraphim [82]
They all have segmented limbs, a hard exoskeleton, a pair of antennae and a segmented body.
4 0
3 years ago
Lucia kicks a ball on a level playing field with an initial velocity of 11.3 m/s at an angle of 35° above the horizontal. Find:
grandymaker [24]

Explanation:

Given that,

Initial velocity, u = 11.3 m/s

Angle above the horizontal, \theta=35^{\circ}

Time of flight :

t=\dfrac{2u\sin\theta}{g}\\\\t=\dfrac{2\times 11.3\times \sin(35)}{9.8}\\\\t=1.32\ s

Horizontal distance traveled  is given by :

x = ut

x = 11.3 m/s × 1.32 s

x = 14.916 m

Maximum height is given by :

H=\dfrac{u^2\sin^2\theta}{2g}\\\\H=\dfrac{(11.3)^2\times \sin^2(35)}{2\times 9.8}\\\\H=2.14\ m

Hence, time of flight is 1.32 s, horizontal distance is 14.916 m and maximum height is 2.14 m.

6 0
3 years ago
Which scenarios are examples of physical changes? Select three options
pashok25 [27]

Answer:

A kid becoming an adult

A leg becoming bruised

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need a picture to answer specific questions.

Explanation:

All of these are physical changes. Hope that this helps you and have a great day :)

4 0
3 years ago
When light propagates from a material with a given index of refraction into a material with a smaller index of refraction, the s
Ket [755]
Hope this can help u
7 0
3 years ago
Help please with question 2bii <br><br> The one that starts with calculate the average ....
Anna11 [10]

Answer:

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Explanation:

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