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Nookie1986 [14]
3 years ago
5

Increased levels of __________ __________ reaching Earth can lead to medical problems such as sunburn and skin cancer. What two

words complete the sentence?​
Physics
2 answers:
White raven [17]3 years ago
5 0

Answer:

Explanation:

The answer should be electromagnetic radiation(can i have a a brainliest) please

professor190 [17]3 years ago
3 0

Answer:

electromagnetic radiation

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In the diagram below, what do the three numbered vectors represent?
vichka [17]
1) Magnetic field
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Suppose there are two identical gas cylinders. One contains the monatomic gas krypton (Kr), and the other contains an equal mass
tensa zangetsu [6.8K]

Answer:

Explanation:

Let equal mass of Ne and Kr be m gm

no of moles of Ne and Kr will be m / 20  and m / 84 ( atomic weight of Ne and Kr is 20 and 84 )

Let the pressure and volume of both the gases be P and V respectively .

The temperature of Ne be T₁ and temperature of Kr be T₂.

For Ne

PV = (m / 20) x R T₁

For Kr

PV = (m / 84) x R T₂

T₁ / T₂ = 84 / 20

We know that

average KE of an atom of mono atomic gas = 3 / 2 x k T

k is boltzmann constant and T is temperature .

KEKr/KENe = T₂ / T₁

= 20 / 84

4 0
3 years ago
A sprinter who is running a 200-m race travels the second 100 m in much less time than the first 100m because
Harrizon [31]

Answer:

He is warmed up now

Explanation:

His muscles are better and stretched now

3 0
3 years ago
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Water flows into a swimming pool at the rate of 5.85 gal/min. If the pool dimensions are 21.2 ft wide, 46.1 ft long and 19.4 ft
Lana71 [14]

First, calculate volume:

volume = 21.2 ft * 46.1 ft * 19.4 ft

volume = 18,960 ft^3

 

Convert to gallon:

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volume = 141,830.71 gallon

 

Therefore the time is:

time = 141,830.71 gallon / (5.85 gal/min)

time = 24,244.57 min

6 0
3 years ago
A metal ball of mass 100 g is heated to 90°C and then cooled to 25°C. The heat lost in the process is 2.5 kJ. Another metal ball
Nesterboy [21]
Hey this is what i found on the internet 
<span>
specific heat (Cp) - the heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree)

the equation related to this theory is 
</span><span>Q=m Cp </span>ΔT<span>

Where Q is the energy gained or lost from the system
m is the mass of the object
</span><span> Cp is the specific heat of the material
 </span>ΔT <span>is the change in temperature</span>

5 0
3 years ago
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