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marta [7]
2 years ago
12

A ballon holds 24L at 45 k . find the volume if the temperature is increased to 911 k

Physics
1 answer:
Soloha48 [4]2 years ago
6 0
911 k divided by 45 k equals the amount that you need to times 24L by.
The answer is ≈ 485.86L
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A rock has a specific gravity of 2.32 and a volume of 8.64 in3 how much does it weigh
lianna [129]

Answer: 3.21 N

Specific\hspace{1mm} gravity = \frac {Density\hspace{1mm}of\hspace{1mm}substance}{Density\hspace{1mm} of \hspace{1mm}water}

\Rightarrow Density \hspace{1mm}of\hspace{1mm}substance= 2.32\times 1000\hspace{1mm} kg/m^3 = 2320\hspace{1mm}kg/m^3\\ Mass =Density\times volume\\ \Rightarrow 2320 \hspace{1mm} kg/m^3\times 8.64 \hspace{1mm}in^3\times \frac {1.64\times10^{-5} m^3}{1\hspace{1mm}in^3}=0.328 kg

For weight, we will multiply by g=9.8 m/s^{-2}

weight= 0.328\times9.8=3.21\hspace{1mm}N

Hence, the rock would weigh 3.21 N.

3 0
3 years ago
The rocket that sent us to the moon traveled at 25,000 mi hr convert to miles per second
Mila [183]
It’s the same it’s 25000
5 0
4 years ago
Which statement demonstrates that ultraviolet (UV) rays are electromagnetic waves?
goldenfox [79]
The answer would probably be D
4 0
2 years ago
A rock is dropped from a tall bridge and hits the water below in 2.9
Ahat [919]

Answer:

The height of the bridge is 14.5

Explanation:

Given the following data

t = 2.9 seconds

g = +10m/s^2

Using the below formula

H = ut + 1/2gt^2

Since the initial velocity u = 0

Then, H = 1/2gt^2

H = 1/2 x 2.9 x 10

H = 2.9 x 10 / 2

H = 2.9 x 5

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3 0
3 years ago
A 200-kg boulder has 39,200 joules of gravitational potential energy. What height is it at?
ruslelena [56]

Answer:

20 m

Explanation:

P.E=mgh

h=P.E/mg

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h= 20 meters.

6 0
3 years ago
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