2 years ago

As gas rises the temperature gets hotter? True or False

Physics

2 answers:

OLEGan [10]2 years ago

7 0

Answer:

i think its true

Sauron [17]2 years ago

7 0

True

hope this helps!!

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noname [10]

I believe the answer would be B) ...... sorry if i'm wrong

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2 years ago

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Name 3 objects that have gravitational potential energy?

dezoksy [38]

Well i have three things that depends on potiential energy

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2 years ago

Which one of these is an exanple of precepation?

Leokris [45]

Answer:

Snow

Explanation:

Precipitation is the formation of a solid after being a liquid. Snow, which is a solid, forms from water, a liquid.

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2 years ago

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A straight wire of length 0.53 m carries a conventional current of 0.2 amperes. What is the magnitude of the magnetic field made

olga55 [171]

Explanation:

It is given that,

Length of wire, l = 0.53 m

Current, I = 0.2 A

(1.) Approximate formula:

We need to find the magnitude of the magnetic field made by the current at a location 2.0 cm from the wire, r = 2 cm = 0.02 m

The formula for magnetic field at some distance from the wire is given by :

$B=\dfrac{\mu_oI}{2\pi r}$

$B=\dfrac{4\pi \times 10^{-7}\times 0.2\ A}{2\pi \times 0.02\ m}$

B = 0.000002 T

$B=10^{-5}\ T$

(2) Exact formula:

$B=\dfrac{\mu_oI}{2\pi r}\dfrac{l}{\sqrt{l^2+4r^2} }$

$B=\dfrac{\mu_o\times 0.2\ A}{2\pi \times 0.02\ m}\times \dfrac{0.53\ m}{\sqrt{(0.53\ m)^2+4(0.02\ m)^2} }$

B = 0.00000199 T

B = 0.000002 T

Hence, this is the required solution.

4 0

3 years ago

1. A race car accelerates at a rate of 15.6 m/s. If it starts from rest, how much time till it

musickatia [10]

Answer: 5.79 s

Explanation:

Vs=0 m/s starting speed(from rest)

Vf=325 km/h= 325*1000/3600= 90.28 m/s

a=15.6m/s²

Using equation for acceleration we can find out time :

a=(Vf-Vs)/t

t=(Vf-Vs)/a

t=(90.28 m/s-0m/s)/15.6 m/s²

t=5.79 s

4 0

2 years ago