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3 years ago

Which example best shows how taxonomy can help us understand the evolutionary relationships among species?

2 answers:

5 0

Hi,

The Answer to this question is:

B) Phylogenetic trees show evolutionary relationships among organisms.
Hope this Helps!

marissa [1.9K]3 years ago

3 0

the example that best shows how taxonomy can help us understand the evolutionary relationships among species is: D-Binomial nomenclature can show the most recent ancestor of two species. by knowing the ancestors of the species we could predict the evolutionary process that happened throguh the genetic combination and mutation

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A police officer in hot pursuit drives her car through a circular turn of radius 285 m with a constant speed of 80.5 km/h. Her m

vaieri [72.5K]

Answer:

Part a)

$F = 96.5 N$

Part b)

$\theta = 90^o$

Explanation:

Part a)

As we know that car is moving with uniform speed

so here net tangential force must be zero while in radial direction the car is moving in circle so here we have

$F = \frac{mv^2}{R}$

so we have

$m = 55 kg$

R = 285 m

$v = 80.5 km/h = 22.36 m/s$

now we have

$F = \frac{55(22.36)^2}{285}$

$F = 96.5 N$

Part b)

As we know that Police Man is experiencing the force only towards the center of the circle

So the net force is horizontal towards the center of the circle and hence it angle with vertical will be

$\theta = 90^o$

8 0

3 years ago

For when white light is passed through a diffraction grating, the color closest to the center bright spot corresponds toa. Yello

gizmo_the_mogwai [7]

Answer:

Option e. Blue/Violet

Explanation:

We know that when white light passes through a diffraction grating it spits into a band of seven colors or spectrum which includes the color in the order VIBGYOR that stands for Violet, Indigo, Blue, Green, Yellow, Orange and Red respectively.

Red light has the longest wavelength and is least scattered whereas Violet light with the shortest wavelength is the one to get most scattered and as we move far from bright spot at the center, there is an increase in the wavelength of light, thus the color that corresponds to the closest one is Violet with the shortest wavelength in the band.

7 0

4 years ago

Now, let’s see what happens when the cannon is high above the ground. click on the wheel of the cannon, and drag it upward as fa

Setler79 [48]

The equation for range is:

R = v₀²sin(2θ)/g
To find the maximum R, differentiate the equation and equate to zero. The solution is as follows:

dR/dθ = (v₀²/g)(sin 2θ)
dR/dθ = (v₀²/g)(cos 2θ)(2) = 0
cos 2θ = 0
2θ = cos⁻¹ 0 = 90
θ = 90/2
θ = 45°

5 0

3 years ago

During science class Billy used litmus paper to determine the pH of an unknown liquid. The blue litmus paper turned red but ther

lys-0071 [83]

Acidic the liquid is acidic

3 0

3 years ago

Read 2 more answers

In our lab experiment on Ohm's law, the power supply is connected to a circuit containing one resistor, and a direct current of

lapo4ka [179]

Answer: (A) 3.0=A

Explanation: In order to explain this problem we have to use the OHM law, given by: V=R*I

Besides, we have to consider the resitance equivalent for a parallel connection. This is given by:

1/Re=1/R1+1/R2

If we connect the same resistance, the equivalent resistance is R/2.

Initlally the current is 1.5 A when one resistance is connected to the batttery. When a second resistance with the same value is connected in parallel to the battery, we have V=Re*Ifinal= (R/2)*Ifinal

also we know that V=R*Iinitial so Iinitial=V/R

then Ifinal= 2*V/R=2*Iinitial

3 0

4 years ago