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vichka [17]
4 years ago
5

A century ago, swords were made from various metals, especially steel. The property that makes steel a good choice for sword mak

ing is _____.
Physics
2 answers:
tigry1 [53]4 years ago
8 0
The answer should be hardness and strength
                                                         ~emily
OLEGan [10]4 years ago
8 0
That it was harder than most other metals as well as not likely to shatter? 
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Zolol [24]

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it was "The light bends because it changes speed." for me i took the test

Explanation:

i show the thing. i hope this helps

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3 years ago
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3 years ago
Please someone help me.
katovenus [111]

Answer:

acceleration of the car is 3 m\s^2

Explanation:

from rest means the initial velocity (vi) is zero

time = 5s

final velocity (vf) = 15m\s

a = vf - vi \ t

a = (15-0) \ 5

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3 years ago
Diagram shows the velocity time graph for a particle moving in 16 seconds.
Leya [2.2K]

Answer:

The detailed calculations are shown below;

Explanation:

a)The maximum acceleration of the particle:

  It is seen that the maximum change in velocity is at the time between 8s to 10s.

              Maximum acceleration: \frac{V}{t}

                                                    = \frac{20}{2}

                                                    = 10 m/s^{2}

b) The deceleration of the particle

          The velocity of particle is decreased after 10s so,

                     deceleration = - \frac{40}{6}

                                           = - 6.67 m/s^{2}

c)The total distance traveled by the particle = Area under the curve

                               = \frac{1}{2}* 4*20 + 4*20 +  \frac{1}{2}* 2*20+ 2*20+ \frac{1}{2}* 40*16

                                                       = 290 m

d)The average velocity of the particle = \frac{Area under the curve}{Total time}

                                                               = \frac{290}{16}

                                                               = 18.12 m/s

3 0
3 years ago
Classify the chemical equations as being balanced or not balanced.
ruslelena [56]
1) Balanced
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3) Not balanced
4) Balanced
3 0
3 years ago
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