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Anarel [89]
3 years ago
6

Fossil A is found in a rock layer above a layer containing Fossil B. Which fossil is probably older? A) Fossil A B) Fossil B C)

both are the same D) can't be determined
Physics
2 answers:
luda_lava [24]3 years ago
8 0
Fossil B is older the lower they found the fossil the older it is 

weeeeeb [17]3 years ago
6 0
  Rock layers build up over time from being sedimented. The further down the layers are, the older the layers are. Fossil A is found above the Fossil B rock layer. Since Fossil B is in the layer below Fossil A, it is older. Therefore the answer is B, fossil B is probably older. 
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I need help with these questions :<br>(see image )
maw [93]
<h2>Hey There!</h2><h2>_____________________________________</h2><h2>Answer:</h2>

\huge\boxed{Theta=25.67}

<h2>_____________________________________</h2><h3>DATA:</h3>

Range = R = 78m

Initial Velocity = V_i = 30m/s

Angle(theta) = ?

<h2>_____________________________________</h2><h3>SOLUTION:</h3>

The Range is given by,

                                    R =\frac{V_0^2}{g}Sin2(theta)\\\\78 = \frac{30^2}{10}Sin2(theta)\\\\Sin2(theta) = \frac{780}{900}\\\\Sin2(theta) = \frac{13}{15}\\\\Sin(theta) = \frac{13}{30}\\\\theta = Sin^{-1}\frac{13}{30}\\\\theta = 25.67^0

<h2>_____________________________________</h2><h2>Best Regards,</h2><h2>'Borz'</h2><h2 />
7 0
3 years ago
The value of 'g' differs from place to place .Why?​
LiRa [457]

Answer:

<h3>وذلك بسبب اختلاف نصف القطر من مكان لاخر, حيث ان التعجيل الارضي يعتمد على نصف القطر للكوكب بشكل اساسي.</h3>

Explanation:

8 0
3 years ago
A converging lens of focal length 7.40 cm is 18.0 cm to the left of a diverging lens of focal length -7.00 cm . A coin is placed
Bas_tet [7]

Answer:

Explanation:

The set up is a compound microscope. The converging lens is the objective lens while the diverging lens is the eyepiece lens.

In compound microscopes, the distance between the two lenses is expressed as L = v0+ue

v0 is the image distance of the objective lens and ue is the object distance of the eye piece lens.

Befre we can get the location of the coin's final image relative to the diverging lens (ve), we need to get ue first.

Given L = 18.0cm

Using the lens formula to get v0 where u0 = 12.0cm and f0 = 7.40cm

1/f0 = 1/u0+1/v0

f0 and u0 are the focal length and object distance of the converging lens (objective lens)respectively.

1/v0 = 1/7.4-1/12

1/v0 = 0.1351-0.0833

1/v0 = 0.0518

v0 = 1/0.2184

v0 = 19.31cm

Note that v0 = ue = 19.31cm

To get ve, we will use the lens formula 1/fe = 1/ue+1/ve

1/ve = 1/fe-1/ue

Given ue = 19.31cm and fe = -7.00cm

1/ve = -1/7.0-1/19.31

1/ve = -0.1429-0.0518

1/ve = -0.1947

ve = 1/-0.1947

ve = -5.14cm

Hence, the location of the coin's final image relative to the diverging lens is 5.14cm to the lens

b) Magnification of the final image M = ve/ue

M = 5.14/19.31

M = 0.27

Magnification of the final image is 0.27

3 0
3 years ago
What are the three main surface features on the moon?
Lana71 [14]
Craters, highlands and maria are the moon's three main landforms
7 0
3 years ago
watches a 2000 klilogram car crash into a wall with a force of 30000 newtons. what is the acceleration of the car at impact?
Gelneren [198K]
Mass=2000 kg
force = 30000 N
a= force /mass
a=30000/2000
a=15 m/second square
3 0
3 years ago
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