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salantis [7]
2 years ago
15

Look at the picture please!!!

Physics
2 answers:
postnew [5]2 years ago
7 0

Answer:

I think it is the 3 option

kakasveta [241]2 years ago
6 0

Answer:I think its c option 3 he is trying to protect jessica from possible over-exposure to x ray radiation

Explanation:

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The average distance from Earth to the Moon is 384,000 km. In the late 1960s, astronauts reached the Moon in about 3 days. How f
Anon25 [30]

Answer:

They must have been traveling at 5333.33 km/h to cover that distance in 3 days.

That speed are 6,66 times higher than the speed of an aircraft jet.

Explanation:

d= 384000 km

t= 3 days = 3*24hr = 72hr

V= 384000km/72hr

V= 5333.33 km/h

comparison:

V1/V2= 5333.33/800

V1/V2= 6.66

3 0
3 years ago
In a related practical activity, 2 litres of a gas were heated from 35 °C to 75 °C. If the pressure was kept constant, calculate
Pachacha [2.7K]

Answer:

2.26l

Explanation:

From the general gas equation:

P1V1/T1  = P2V2/T2

Since pressure remained constant we can say:

V1/T1  = V2/T2

so to convert to kelvin add 273 to both temperature values then we can say:

1 m^3= 1000 L

2l=0.002m^3

Then;

0.002/308=V/348

V=(0.002/308)348

Final volume=0.002259m^3

=2.6l(1 decimal place)

4 0
1 year ago
How many neutrons does element X have if its atomic number is 48 and its mass number is 167?
Llana [10]
If its atomic number is 48, then it has 48 protons in the nucleus
of each atom.  Any more mass than that is supplied by the neutrons
that are mixed in there with the protons.

If the mass is 167, and 48 of those are protons, then there are

             (167 - 48)  =  119 neutrons

in each nucleus.

8 0
3 years ago
Periodic motion can BEST be defined as motion
koban [17]

Answer:

C

Explanation:

repeated in intervals of time

8 0
3 years ago
Which pulls harder the earth or the student
Nana76 [90]

Answer:

wha

Explanation:

5 0
3 years ago
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