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FrozenT [24]
3 years ago
6

What is a risk assessment

Physics
2 answers:
xxMikexx [17]3 years ago
7 0
A risk assessment<span> is a process to identify potential hazards and analyze what could happen if a hazard occurs. </span>
CaHeK987 [17]3 years ago
3 0

Answer:

Explanation:

Risk assessment is a process of identifying risks and hazards associated with some activity, things, situations and processes which can cause harm to public. After the identification of the risks, the severity and potential of the risk can be analyzed. Further preventing measures can be taken to prevent the risk.

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6. Rock Ais thrown horizontally off a cliff with a velocity of 15 m/s. The rock lands 75m from
Harman [31]

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5  seconds

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Earthquakes usually happen at: - folds - mountains - fault lines
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In example 18. 4 of the text, the deflection angle of the laser beam as it exits the prism is 22. 6º. If the prism had been made
Marrrta [24]

The deflection angle is 37.29º if the prism was made of polystyrene plastic.

What is a laser beam?

Laser beam is a light beam propagating dominantly in one direction.

It is a beam of radiation produced from a laser.

Here given that,

refraction index of glass, n1= 1.52

refraction index of polystyrene plastic, n2 = 1.59

deflection angle, B = 22.6º

For the second surface,

B  = 45º - 22.6º

B  = 22.40º

Now from the formula of Snell's law:

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sin B / sinФ = n1 / n2

sinФ = (sin 22.40º) * ( 1/ 1.59)

Ф = 37.29º

Hence,

The deflection angle is 37.29º if the prism was made of polystyrene plastic.

Learn more about laser beam here:

<u>brainly.com/question/4218151</u>

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3 0
2 years ago
008 (part 1 of 3) 10.0 points A 3.2 kg object is subjected to two forces, F~ 1 = (1.9 N) ˆı + (−1.9 N) ˆ and F~ 2 = (3.8 N) ˆı
musickatia [10]

Answer:

a' =4.15 m/s²

Explanation:

Given that

m= 3.2 kg

F₁ = 1.9  i −1.9 j N

F₂=3.8 i −10.1 j N

From second law of Newton's

F(net) = m a

F₁ + F₂ = m x a

1.9  i −1.9 j + 3.8 i −10.1 j  = 3.2 a

a = 1.78 i - 3.75 j m/s²

The resultant  acceleration  a'

a'=\sqrt{1.78^2+3.75^2}\ m/s^2

a' =4.15 m/s²

6 0
3 years ago
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