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4 years ago

Arden is making a pros and cons list about genetic engineering for a debate at school. Which part of her list is incorrect?

Physics

2 answers:

romanna [79]4 years ago

4 0

Answer:

Con 2

Explanation:

The part of Arden's list that is incorrect would be con 2, that edited gene is more likely to mutate and cause disease.

Genetic engineering is the science of modifying the gene of organisms through the process of biotechnology in order to serve specific needs.

Genetic engineering has a wide variety of applications, including the production of vaccines and drugs in medicine and improved breeds of organisms in agriculture.

However, genetically modified organisms sometimes present ecological and or genetic problems. They can alter the dynamics of population in the environments where they are introduced, affect gene flow, and affect biogeochemistry of the environment.

Edited genes in genetically modified organisms have the same chances of mutation just like every other gene. That a gene is edited does not make it more likely to mutate and cause disease.

Tju [1.3M]4 years ago

4 0

Answer:

Con 2

Explanation:

I took the test and got it correct

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A long solenoid that has 1,140 turns uniformly distributed over a length of 0.350 m produces a magnetic field of magnitude 1.00

Troyanec [42]

Answer:

$I = 2.4 *10^{-2} A = 2.4 mA$

Explanation:

The magnetic field B inside long solenoid with current I is given as

$B = \frac{N \mu_o I}{L}$

where

N is number of turn of solenoids = 1140 turns

$\mu_0 = 4*\pi *10^{-7} T.m$

I is current that passes through solenoid

L is length along which current pass = 0.350 m

plugging value to get required value of current

$1.00*10^{-4} = \frac{1140*4*\pi *10^{-7} I}{0.350}$

$I = 2.4 *10^{-2} A = 2.4 mA$

3 0

3 years ago

The temperature of aluminum increases from 30 to 38 degrees Celsius and absorbed 900J. Calculate the mass of aluminum used if th

garri49 [273]

Answer: 3.99g

Explanation:

Specific heat capacity (c) is defined as the quantity of heat required to raise the temperature of an object/ a body by 1kelvin.

Mathematically, Q = mc∆t where;

Q is the quantity of heat absorbed

m is the mass of the object

c is the specific heat capacity

∆t is the change in temperature = final temperature - initial temperature.

Given Q = 900Joules, c =0.902J/gK ∆t = 38°C - 30°C = 8°C = 8°C+273 = 281Kelvin

m is the unknown

Substituting this values in the given formula to get m we have;

m = Q/c∆t

m = 900/0.802(281)

m = 900/225.362

m = 3.99g

Mass of aluminum used is 3.99g

8 0

4 years ago

A 68.0-kg person throws a 0.0405-kg snowball forward with a ground speed of 31.5 m/s. A second person, with a mass of 56.0 kg, c

Mumz [18]

Answer:

vf1=2.03 m/s

vf2=0.026 m/s

Explanation:

$m_{p1}=68 kg$

$m_{s}=0.045 kg$

$m_{p2}=56 kg$

$v_{s1}=31.5\frac{m}{s}$

$v_{p1}=2.05\frac{m}{s}$

$v_{p2}=0\frac{m}{s}$

Collision elastic in the moment thrown the snowball

$(m_{p1}+m_{s})*v_{p1}=m_{p1}*v_{f1}+m_{s1}*v_{s1}$

$v_{f1}=\frac{(68kg+0.045kg)*2.05\frac{m}{s}-0.045kg*31.5\frac{m}{s}}{68kg}$

$v_{f1}=2.03\frac{m}{s}$

$m_{s1}*v_{s1}+m_{p2}*v_{2}=(m_{s}+m_{2})*v_{f2}$

$v_{f2}=\frac{0.045kg*31.5\frac{m}{s}}{56kg+0.045kg}$

$v_{f1}=0.0262\frac{m}{s}$

8 0

3 years ago

a flag of mass 2.5 kg is supported by a single rope. A strong horizontal wind exerts a force of 12 N on the flag. Calculate the

tatuchka [14]

The free-body diagram of the forces acting on the flag is in the picture in attachment.

We have: the weight, downward, with magnitude
$W=mg = (2.5 kg)(9.81 m/s^2)=24.5 N$
the force of the wind F, acting horizontally, with intensity
$F=12 N$
and the tension T of the rope. To write the conditions of equilibrium, we must decompose T on both x- and y-axis (x-axis is taken horizontally whil y-axis is taken vertically):
$T \cos \alpha -F=0$
$T \sin \alpha -W=$
By dividing the second equation by the first one, we get
$\tan \alpha = \frac{W}{F}= \frac{24.5 N}{12 N}=2.04$
From which we find
$\alpha = 63.8 ^{\circ}$
which is the angle of the rope with respect to the horizontal.

By replacing this value into the first equation, we can also find the tension of the rope:
$T= \frac{F}{\cos \alpha}= \frac{12 N}{\cos 63.8^{\circ}}=27.2 N$

7 0

4 years ago

Calculate the average power required to lift a 400 N object a vertical distance of 12 meters in 8.0 seconds.

Oksana_A [137]

Explanation:

p=?

force=f=400

distance=d=12

time=t=8.0

p=f×d/t

p=400×12/8.0

p=600

6 0

3 years ago