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ivolga24 [154]
2 years ago
10

Which class of hazards is characterized by thermal and mechanical hazards in the form of blast pressure waves, shrapnel and frag

mentation, and incendiary thermal effects
Physics
1 answer:
Mkey [24]2 years ago
3 0

Class 1 (Explosives) is the class of hazards that is characterized by thermal and mechanical hazards in the form of blast pressure waves, shrapnel and fragmentation, and incendiary thermal effects.

There are different classes of Hazards

Class 1 - Explosives

Class 2 - Gases

Class 3 - Flammable liquids

Class 4 - Flammable solids

Class 5 - Oxidizers

Class 6 - Toxic materials

Class 7 - Radioactive materials

Class 8 - Corrosive materials

Class 9 - Miscellaneous dangerous goods

Any substance or item, including<u> a gadget</u>, that is intended to function by explosion or that, <u>through a chemical reaction</u> inside itself, is capable of functioning similarly even if not intended to function by explosion, falls within the category of explosive materials (class 1).

Hence, Class 1 (Explosives) is the class of hazards that is characterized by thermal and mechanical hazards.

Learn more about Types of Hazards here brainly.com/question/13941479

#SPJ4

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within what force will acar hit a tree if the car has a mass of 3,000 kg and it is accelerating at a rate of 2 m/s/s
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Use the formula. Plug in known values, so you get f = 3000*2 and get 6000N as a result. 
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NEED THE ANSWER PLZ<br><br>What are lanthanides?
geniusboy [140]
It is the the ecrins of light
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3 years ago
A body of mass 500kg moving at a speed of 10m/s reaches the speed of 50m/s in 20s.The force exerted is
Leona [35]

Answer:

answer is 1000 N

formula used-

<em><u>F= m x (v-u/t)</u></em>

<em><u>mark</u></em><em><u> </u></em><em><u>th</u></em><em><u>is</u></em><em><u> as</u></em><em><u> brainliest</u></em><em><u>!</u></em>

6 0
3 years ago
An unbalanced force is defined as a force that __________. allows an object to remain at rest cause an object to accelerate in a
fredd [130]

cause an object to accelerate in a direction opposite to the unbalanced force

Explanation:

An unbalanced force is defined as any force that causes an object to accelerate in a direction opposite to the unbalanced force.

The unbalanced force is the net or resultant force describe in newton's second law of motion.

In the first law, it is the external force that causes the motion of a body to change.

Unbalanced forces can cause body to either accelerate in the direction of the force or in an opposite direction of the force.

learn more:

Newton laws brainly.com/question/11411375

#learnwithBrainly

5 0
3 years ago
Read 2 more answers
Radar uses radio waves of a wavelength of 2.4 \({\rm m}\) . The time interval for one radiation pulse is 100 times larger than t
blondinia [14]

Answer:

120 m

Explanation:

Given:

wavelength 'λ' = 2.4m

pulse width 'τ'= 100T ('T' is the time of one oscillation)

The below inequality express the range of distances to an object that radar can detect

τc/2 < x < Tc/2 ---->eq(1)

Where, τc/2 is the shortest distance

First we'll calculate Frequency 'f' in order to determine time of one oscillation 'T'

f = c/λ (c= speed of light i.e 3 x 10^{8} m/s)

f= 3 x 10^{8} / 2.4

f=1.25 x  10^{8} hz.

As, T= 1/f

time of one oscillation T= 1/1.25 x  10^{8}

T= 8 x 10^{-9} s

It was given that pulse width 'τ'= 100T

τ= 100 x 8 x 10^{-9} => 800 x 10^{-9} s

From eq(1), we can conclude that the shortest distance to an object that this radar can detect:

x_{min}= τc/2 =>  (800 x 10^{-9} x 3 x 10^{8})/2

x_{min}=120m

8 0
4 years ago
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