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o-na [289]
3 years ago
6

Recently a local government has observed that the number of people suffering from respiratory diseases has increased. What measu

res can the local government take in order to reduce health risks?
A.
force everyone to stop using cars
B.
shut down all the factories
C.
reduce public transport facilities
D.
ban carpooling systems
E.
implement standards on the smoke emissions from factories
Physics
2 answers:
Naily [24]3 years ago
6 0
E implement standards
Alexandra [31]3 years ago
5 0
E. Implement standard on the smoke emissions from factories



Hopefully this help you out have a great day
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The wavelength at which Earth’s emitted radiation is maximum is ______ at which the wavelength of the Sun’s emitted radiation pe
tatiyna

Answer:

inversely proportional to the temperature

Explanation:

Wein's displacement law states the wavelength at which Earth’s emitted radiation is maximum <u>is inversely proportional to the temperature</u> at which the wavelength of the Sun’s emitted radiation peaks.

                           λmax = \frac{b}{T}

where,

λmax is the maximum wavelength

b is a constant of proportionality called Wien's displacement constant (b = 2.897 × 10⁻³ m.K)

T is the absolute temperature in kelvins

6 0
4 years ago
How are chemicals brought into plants through the chemical cycle
vesna_86 [32]
Chemicals are brought in through photosynthesis

7 0
3 years ago
Suppose that A’, B’ and C’ are at rest in frame S’, which moves with respect to S at speed v in the +x direction. Let B’ be loca
Inga [223]

Answer:

1) an observer in B 'sees the two simultaneous events

2)observer B sees that the events are not simultaneous

3)  Δt = Δt₀ /√ (1 + v²/c²)

Explanation:

This is an exercise in simultaneity in special relativity. Let us remember that the speed of light is the same in all inertial systems

1) The events are at rest in the reference system S ', so as they advance at the speed of light which is constant, so it takes them the same time to arrive at the observation point B' which is at the point middle of the two events

Consequently an observer in B 'sees the two simultaneous events

2) For an observer B in system S that is fixed on the Earth, see that the event in A and B occur at the same instant, but the event in A must travel a smaller distance and the event in B must travel a greater distance since the system S 'moves with velocity + v. Therefore, since the velocity is constant, the event that travels the shortest distance is seen first.

Consequently observer B sees that the events are not simultaneous

3) let's calculate the times for each event

        Δt = Δt₀ /√ (1 + v²/c²)

where t₀ is the time in the system S' which is at rest for the events

8 0
3 years ago
What is the velocity of an 500- kilogram elevator that has 4000 joules of energy
vlada-n [284]
\frac{1}{2}(500kg) × v^{2} = 4000J

V = √(4000 ÷ 250) = 4 m/s



8 0
4 years ago
Scientific way of thinking
noname [10]

Answer:

huh,? can you explain the question more please

7 0
4 years ago
Read 2 more answers
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