2 years ago

Which of the following should NOT be discussed during safety training

1 answer:

7 0

Is there suppose to be an image?

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Sauron [17]

I need a picture plz I don’t know what to answer.

6 0

3 years ago

tensa zangetsu [6.8K]

What I don’t get it ?

6 0

3 years ago

Shkiper50 [21]

B

M

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Vujkbukbuvuvubkkbbiu

7 0

3 years ago

Alex Ar [27]

Answer:

About 2.19 seconds

Explanation:

$d=v_ot+\dfrac{1}{2}at^2$

Since the ball is dropped from rest, there is no initial velocity, and you can write the following equation:

$23.5=\dfrac{1}{2}(9.8)t^2 \\\\t^2\approx 4.79 \\\\t\approx 2.19s$

Hope this helps!

8 0

2 years ago

vlada-n [284]

Answer:

The value is $\eta = 63\%$

Explanation:

Generally the thermal efficiency is mathematically represented as

$\eta = 1 - \frac{T_L}{T_H} * 100$

substituting [ 627°C + 273 = 900K ] for $T_H$ and [ 90°C + 273 = 333K ] for $T_L$

$\eta = 1 - \frac{333}{900} *100$

=> $\eta = 63\%$

5 0

3 years ago