Calculate equivalent resistance in the following between points P and Q​

Answer:

its B

Explanation:

i just took the test

0.1 Hz the approximate frequency of the wave shown.

In physics, frequency is the number of waves that pass a fixed point in a unit of time as well as the number of cycles or vibrations that a body in periodic motion experiences in a unit of time.

After moving through a sequence of situations or locations and then returning to its initial position, a body in periodic motion is said to have experienced one cycle or one vibration. See also basic harmonic motion and angular velocity.

The frequency is 2 per second if the period, or time interval, needed to complete one cycle or vibration is 1/2 second; it is 100 per hour if the duration is 1/100 of an hour.

Therefore, 0.1 Hz the approximate frequency of the wave shown.

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Since the current is inversely propotional to its resistance, when the voltage is doubled the current will be one-half

Answer:

129 J/Kg°C

Explanation:

Given :

Mass of gold, m = 1.2kg

Quantity of heat applied, Q = 3096 J

Temperature, t2 = 40°C

Temperature, t1 = 20°C

Change in temperature, dt = (40-20)°C = 20°C

Using the relation :

Q = mcdt

Where, C = specific heat capacity of gold

3096 = 1.2kg * C * 20°C

3096 J = 24kg°C * C

C = 3096 J / 24 kg°C

C = 129 J/Kg°C

Answer:

true

Explanation:

Answer:

If the mass of both of the objects is doubled, then the force of gravity between them is quadrupled; and so on. Since gravitational force is inversely proportional to the square of the separation distance between the two interacting objects, more separation distance will result in weaker gravitational forces.

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Answer:

Egg Drop Challenge height

The containers will be dropped from an initial height of about 11.5 ft. The second and final drop will be from the second floor (about 19.5 ft).

Explanation:

Answer:

A . Electrons have been transferred into it.

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Tysm! Hope this helps!

force of the ground acting on the rock if it comes to a stop in 0.350 seconds. V = √2 (9.8) ... Calculate the impulse experienced by the 4.00 kg object represented in the graph below. ... A 200 kg rock is dropped from the top of a 30.0 m high building. ... 200 x 10 seconds, what was the force that the foot applied on the ball?

Answer:

200×10 idjjcfjcjrjcevdvrfb

Answer:

letra a

Explanation:

If the velocity-time graph is horizontal, the acceleration is zero because the slope will be zero.

Answer:

B. a chemical reaction

Explanation:

2CO + O2 → 2C02

Answer:

B. A chemical reaction

it's formed when carbon monoxide react with oxygen and forms carbon dioxide

Answer:

A.) Carbon

Explanation:

Carbon is an element on the periodic table.

it has the symbol C, and is found in almost every single thing!

Answer:

Carbon

Explanation:

Ig

Answer:

B.

Explanation:

This is not true as the number of chromosomes in the daughter cells are half the number in the parent's cells

Explanation:

Physical fitness is a state of health and well-being and, more specifically, the ability to perform aspects of sports, occupations and daily activities. Physical fitness is generally achieved through proper nutrition, moderate-vigorous physical exercise, and sufficient rest.

Physical fitness is generally achieved through exercise. Photo shows Rich Froning Jr. – four-time winner of "Fittest Man on Earth" title.

Before the industrial revolution, fitness was defined as the capacity to carry out the day’s activities without undue fatigue. However, with automation and changes in lifestyles physical fitness is now considered a measure of the body's ability to function efficiently and effectively in work and leisure activities, to be healthy, to resist hypokinetic diseases, and to meet emergency situations.

The available options are:

Mint is a dicot.

Mint is a monocot.

Mint is an angiosperm.

Mint is a bulb plant.

Answer:

Mint is a dicot.

Explanation:

Given the fact that Mint is considered to be a member of Lamiaceae, an angiosperm plant which is characterized by typically having leaves that consist of reticulate vacation and appears like veins in structure. It also has a seed that contains two cotyledons.

Hence, it is considered a DICOT PLANT due to these characteristics. The botanical name of Mint is referred to as Mentha arvensis.

Answer: A

Explanation:

Answer:

D

Explanation:

Answer:

prism

Explanation:

Answer:

The correct answer is 24.

Explanation:

Answer:

c. tight hips

Explanation:

sitting for too long is a major culprit in tightening the hip flexors. When you sit all day at a desk, the iliopsoas, in particular, shortens, making the flexors tight.

Answer:

Because the light only spears to part of the water so it would appear less deep

Answer:

A Venus Fly trap

Explanation:

Insectivorous plants like pitcher plant and venus fly trap snack on flies or insects.

Therefore, insectivorous plants like pitcher plant and venus fly trap snack on flies or insects.

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[tex] \sf{(i)  \: We \:  are \:  given  \: a  \: figure \:  of  \: Series \:  Circuit. }[/tex]

[tex] \sf{Here \:  Resistances  \: are ,}[/tex]

[tex] \sf• \:  R_{1}  =3  Ω[/tex]

[tex] \sf•  \: R_{2}  =3Ω[/tex]

[tex] \sf•  \: R_{3}  =3Ω[/tex]

[tex] \sf{We \:  know  \: the  \: formula  \: of  \: the  \: Equivalent \:  Resistance \:  for  \: Series  \: Circuit, }[/tex]

[tex] \sf ⇒ R_{s} =(3 + 3 + 3)Ω[/tex]

[tex] \sf \therefore R_{s}  =9Ω[/tex]

[tex] \sf  \pink{ \boxed{Answer : 9 Ω.}}[/tex]

[tex] \\  \\ [/tex]

[tex] \sf{(ii)  \: We \:  are \:  given  \: a  \: figure \:  of  \: Parallel \:  Circuit. }[/tex]

[tex]\sf{Here \:  Resistances  \: are ,}[/tex]

[tex] \sf• \:  R_{1}  =3  Ω[/tex]

[tex] \sf• \:  R_{2}  =3  Ω[/tex]

[tex] \sf• \:  R_{3}  =3  Ω[/tex]

[tex] \sf{We \:  know  \: the  \: formula  \: of  \: the  \: Equivalent \:  Resistance \:  for  \: Parallel  \: Circuit, }[/tex]

[tex] \sf⇒ \frac{1}{ R_{p} }  =  \frac{1}{3}  +  \frac{1}{3}  +  \frac{1}{3} [/tex]

[tex] \sf⇒ \frac{1}{ R_{p} }  =  \frac{1 + 1 + 1}{3} [/tex]

[tex] \sf⇒ \frac{1}{ R_{p} }  =  \frac{3}{3} [/tex]

[tex] \sf⇒ \frac{1}{ R_{p} }  =  1[/tex]

[tex] \sf \therefore R_{p}   =  1Ω[/tex]

[tex] \sf  \pink{ \boxed{Answer : 1 Ω.}}[/tex]

hope it helps you.

Answer:

12125.42 Lbs.

Explanation:

The weight of the elephant is 53,900 N

The given parameters;

mass of the elephant = 5,500 kg

The weight of the elephant is calculated as;

Weight = mg

where;

m is the mass of the elephant

g is acceleration due to gravity = 9.8 m/s²

The weight of the elephant is calculated by substituting the given parameters;

Weight = 5,500 x 9.8 = 53,900 N

Thus, the weight of the elephant is 53,900 N

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Answer:

1428  m/s

Explanation:

Given that,

The frequency hear by a dolphin, f = 280 kHz

We need to find the speed of sound in water if a wave with this frequency has a wavelength  of 0.51 cm.

The formula for the speed in terms of wavelength and frequency is given by :

[tex]v=f\lambda\\\\v=280\times 10^3\times 0.51\times 10^{-2}\\\\v=1428\ m/s[/tex]

So, the speed of sound in water is 1428  m/s.

Answer:

Always.

Unbalanced forces mean there will be an acceleration on the object, so speed will change no matter how fast its going already.