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pickupchik [31]

3 years ago

5

What is the genotypes for HH or hh called?

2 answers:

pav-90 [236]3 years ago

8 0

HH- dominant
hh- recessive

Sati [7]3 years ago

4 0

HH- dominant
hh- recessive

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What are two pieces of information you must know about velocity on an object

levacccp [35]

Distance traveled(in a certain direction) and time
Velocity is all about direction traveled in comparison to speed which is just distance with out direction.

Hope this helps you

3 0

3 years ago

A whistle you use to call your hunting dog has a frequency of 21 kHz, but your dog is ignoring it. You suspect the whistle may n

jeka94

The whistle you use to call has a frequency of 21 kHz, so you do not recognize it also because your threshold of hearing is only 20 kHz. Since you are unable to hear sounds above this value, you request your friend to blow the whistle and move farther away. The frequency will decrease due to Doppler effect.

4 0

4 years ago

Read 2 more answers

Assume that in 2010 the United States will need 2.0×1012 watts of electric power produced by thousands of 1000 MW power plants.

Alex73 [517]

Answer:

1752.14 tonnes per year.

Explanation:

To solve this exercise it is necessary to apply the concepts related to power consumption and power production.

By conservation of energy we know that:

$\dot{P} = \bar{P}$

Where,

$\dot{P} =$ Production of Power

$\bar{P} =$ Consumption of power

Where the production of power would be,

$\dot{P} = m \dot{E}\eta$

Where,

m = Total mass required

$\dot{E} =$ Energy per Kilogram

$\eta =$ Efficiency

The problem gives us the aforementioned values under a production efficiency of 45%, that is,

$\dot{P} = \bar{P}$

$m \dot{E}\eta = \bar{P}$

Replacing the values we have,

$m(8*10^13)(0.45) = 2*10^{12}$

Solving for m,

$m = \frac{ 2*10^{12}}{(8*10^13)(0.45)}$

$m = 0.0556 \frac{kg}{s}$

We have the mass in kilograms and the time in seconds, we need to transform this to tons per year, then,

$m = 0.556\frac{kg}{s}*(\frac{3.1536*10^7s}{1year})(\frac{1ton}{1000kg})$

$m = 1752.14$ tonnes per year.

8 0

3 years ago

Two point charges of 60.0 C and -12.0 C are separated by a distance of 20.0 cm. A 7.00 C charge is placed midway between these t

iogann1982 [59]

Answer:

$4.5\times 10^{14} N$

Explanation:

$q_1=60 C$

$q_2=-12 C$

$q_3=7 C$

Distance between q1 and q2,d=20 cm

$r=\frac{d}{2}=\frac{20}{2}=10 cm=10\times 10^{-2} m$

1m =100 cm

Electric force on charge q3 due to charge q1

$F_1=\frac{kq_1q_3}{r^2}=\frac{9\times 10^9\times 60\times 7}{(10\times 10^{-2})^2}$ (away from q1)

Electric force on charge q3 due to charge q2

$F_2=\frac{kq_2q_3}{r^2}=\frac{9\times 10^9\times 12\times 7}{(10\times 10^{-2})^2}$ (attract toward q2)

Net force= $F=F_1+F_2$

$F=\frac{9\times 10^9\times 60\times 7}{(10\times 10^{-2})^2}+\frac{9\times 10^9\times 12\times 7}{(10\times 10^{-2})^2}$

$F=\frac{9\times 10^9\times 7}{(10\times 10^{-2})^2}(60+12)$

$F=4.5\times 10^{14} N$

5 0

4 years ago

Which capital city lies 8,727 feet above sea level in the mountains of colombia?

Oduvanchick [21]

Answer: bogota is the capital city that lies 8,727 feet above sea level in the Colombia mountains

Explanation:

4 0

3 years ago