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mrs_skeptik [129]
2 years ago
14

if you are looking at the sky from the continental united states, the north celestial pole would have an angular height (an alti

tude) equal to your .
Physics
1 answer:
Aleks [24]2 years ago
8 0

It is correct to state that if you are looking at the sky from the continental United States, the north celestial pole would have an angular height (an altitude) equal to your latitude.

<h3>What is the North Celestial Pole?</h3>

The point at where the earth's extended axis intersects the northern half of the celestial sphere, around 1° from Polaris.

These dots trace out circles in the sky due to precession. Today, the north celestial pole is only 1° from Polaris. Around 2100 ce, it will be closest to Polaris.

Learn more about the North Celestial Pole:
brainly.com/question/17372686
#SPJ4

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Determine the pressure P of a 450K Oxygen gas in a gas chamber when its initial pressure is 175Pa has a temp 300K
FrozenT [24]

Answer:

262.5Pa

Explanation:

Given parameters:

P1  = 175Pa

T1  = 300K

T2  = 450K

Unknown:

P2  = ?

Solution:

To solve this problem, we are going to use an adaptation of the combined gas law.

           \frac{P1}{T1}    = \frac{P2}{T2}  

  Insert the parameters and solve;

           \frac{175}{300}    = \frac{P2}{450}  

          P2 = 262.5Pa

8 0
3 years ago
Two fish swimming in a river have the following equations of motion:
IRINA_888 [86]

Answer:

The second fish, X2, is moving faster than the first fish, X1

Explanation:

The given parameters for the equation of motion of the fishes are;

X1 = -6.4 m + (-1.2 m/s)×t

X2 = 1.3 m + (-2.7 m/s)×t

The given equation are straight line equations in the slope and intercept form, where the slope is the speed and in m/s and the intercept is the starting point of swimming of the fishes

For the first fish, the intercept = -6.4 m, the slope = the  speed = -1.2 m/s

For the second fish, the intercept = 1.3 m, the slope = the  speed = -2.7 m/s

Whereby the fishes are swimming in the opposite direction of the measurement of length, we have;

The magnitude of the speed of the second fish \left | -2.7 \ m/s \right | = 2.7 \ m/s, is larger than the magnitude of the speed of the first fish \left | -1.2 \ m/s \right | = 1.2 \ m/s

Therefore, the second fish, X2, is moving faster than the first fish, X1.

8 0
3 years ago
A. What is the RMS speed of Helium atoms when the temperature of the Helium gas is 343.0 K? (Possibly useful constants: the atom
kkurt [141]

Answer:

(a) 1462.38 m/s

(b) 2068.13 m/s

Explanation:

(a)

The Kinetic energy of the atom can be given as:

K.E = (3/2)KT

where,

K = Boltzman's Constant = 1.38 x 10⁻²³ J/k

K.E = Kinetic Energy of atoms = 343 K

T = absolute temperature of atoms

The K.E is also given as:

K.E = (1/2)mv²

Comparing both equations:

(1/2)mv² = (3/2)KT

v² = 3KT/m

v = √[3KT/m]

where,

m = mass of Helium = (4 A.M.U)(1.66 X 10⁻²⁷ kg/ A.M.U) = 6.64 x 10⁻²⁷ kg

v = RMS Speed of Helium Atoms = ?

Therefore,

v = √[(3)(1.38 x 10⁻²³ J/K)(343 K)/(6.64 x 10⁻²⁷ kg)]

<u>v = 1462.38 m/s</u>

(b)

For double temperature:

T = 2 x 343 K = 686 K

all other data remains same:

v = √[(3)(1.38 x 10⁻²³ J/K)(686 K)/(6.64 x 10⁻²⁷ kg)]

<u>v = 2068.13 m/s</u>

8 0
3 years ago
Distance and ___ are really the same quantity. A. length b. direction c. speed d. displacement​
Oksi-84 [34.3K]

Answer:

distance and length are the same quantity

4 0
3 years ago
We triple the mass of the object
amid [387]
What? What is being asked?
7 0
4 years ago
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