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3 years ago

What is a fact about a punnet square

Physics

2 answers:

Elena L [17]3 years ago

4 0

Punnet squares were only recently added into the curriculum. They allow a more organized/ efficient way to do binomial, or polynomial multiplication. They may also be known for being used in biology to show what genes an offspring could potentially have.

Hope this helps :)

Tju [1.3M]3 years ago

4 0

Here is your answer for the Punnett square.

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Taking the resistivity of platinoid as 3.3 x 10-7 m, find the resistance of 7.0 m of platinoid wire of average diameter 0.14 cm.

mr_godi [17]

Answer:

$1.5 \Omega$

Explanation:

The resistance of a wire is given by the equation:

$R=\rho \frac{L}{A}$

where

$\rho$ is the resistivity of the material

L is the length of the wire

A is the cross-sectional area of the wire

In this problem, we have a wire of platinoid, whose resistivity is

$\rho = 3.3\cdot 10^{-7} \Omega m$

The length of the wire is

L = 7.0 m

And its radius is

$r=\frac{0.14 cm}{2}=0.07 cm = 7\cdot 10^{-4} m$ , so the cross-sectional area is

$A=\pi r^2=\pi(7\cdot 10^{-4})^2=1.54\cdot 10^{-6}m^2$

Solving for R, we find the resistance of the wire:

$R=(3.3\cdot 10^{-7})\frac{7.0}{1.54\cdot 10^{-6}}=1.5 \Omega$

3 0

3 years ago

what evidence would you expect to find on the moon if it had been subjected to plate tectonics? (select all that apply.)

irina1246 [14]

Volcanoes and mountains are the evidences that show plate tectonics.

<h3 /><h3>What evidence would you expect to find on the Moon if the Moon had been subjected to plate tectonics? </h3>

The presence of volcanos and mountains are the evidences that provides information that the moon has plate tectonic. If there is no volcanoes and mountains on the moon then we can say that there is no plate tectonic on the moon.

So we can conclude that volcanoes and mountains are the evidences that show plate tectonics.

Learn more about tectonics here: brainly.com/question/2325633

#SPJ11

5 0

2 years ago

Four 240 Ω light-bulbs are connected in series. What is the total resistance of the circuit? What is their resistance if they ar

irina [24]

Had to submit as image as it wouldn't let me paste these symbols in the answer box

hope this helps:)