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simple answer .... all of it

Answer:

Option A is correct statement...

The atoms and molecules of both the liquid water and the table are moving...

is correct...

Explanation:

no comments...

Answer:

definitely top answer

Explanation:

because it make sense

Answer:

True

Explanation:

The earth is divided into huge slabs called tectonic plates.

Answer:

triangulation

Explanation:

using your compass

Answer:

B. they measure the difference between arrival of P waves and S waves.

Explanation:

Answer:

Capacitance = 0.00058 Farads

Explanation:

Given the following data;

Charge, Q = 7mC to Coulombs = 7/1000 = 0.007C

Velocity = 12V

To find the capacitance;

Capacitance = charge/potential difference

Substituting into the equation, we have;

Capacitance = 0.007/12

Capacitance = 0.00058 Farads

Answer:

true

hope this helps !

Answer: drying towels at the beach.

Explanation:

Radiation simply has to do with the energy that is gotten from a particular source and then goes through some materials. It simply means the way energy is being transmitted as waves or heat through a certain medium.

From the options given, the scenario whereby a radiation takes place is when drying towels on the beach.

Answer:B-drying towels at the beach

Explanation:

Answer:

KE = [tex]\frac{1}{2}[/tex] m[tex]v^{2}[/tex]

Explanation:

In the generation of energy from hydroelectric power station, the motion of water, and the turbines are paramount. The falling flowing water turns the blades of the turbine, which in-turn causes the movement of a coil within a strong magnetic field.

The motion of the coil which cuts the strong magnetic field induces current. Thus, the system generates electrical energy.

The equation that links kinetic energy (KE), mass (m) and speed (v) can be expressed as:

KE = [tex]\frac{1}{2}[/tex] m[tex]v^{2}[/tex]

Answer:

[tex]\boxed {\boxed {\sf C. \ 5.0 \ m/s}}[/tex]

Explanation:

Momentum is the product of mass and velocity. The formula is:

[tex]p=mv[/tex]

The mass of the cart is 2.0 kilograms. The momentum is 10.0 kg m/s. The velocity is unknown.

[tex]m= 2.0 \ kg \\p= 10.0 \ kg \ m/s[/tex]

Substitute the values into the formula.

[tex]10.0 \ kg \ m/s= (2.0 \ kg ) v[/tex]

We want to solve for the velocity (v). Therefore we must isolate the variable. It is being multiplied and the inverse of multiplication is division. Divide both sides of the equation by 2.0 kg.

[tex]\frac { 10.0 \ kg \ m/s}{2.0 \ kg}=\frac{(2.0 \ kg )v}{2.0 \ kg}[/tex]

The kilograms will cancel each other out.

[tex]\frac { 10.0 \ m/s}{2.0}=v[/tex]

[tex]5.0 \ m/s=v[/tex]

The velocity is 5 meters per second.

Answer:

the horizontal distance covered by the cannonball before it hits the ground is 327.5 m

Explanation:

Given;

height of the cliff, h = 210 m

initial horizontal velocity of the cannonball, Ux = 50 m/s

initial vertical velocity of the cannonball, Uy = 0

The time for the cannonball to reach the ground is calculated as;

[tex]h = u_yt - \frac{1}{2} gt^2\\\\h = 0 - \frac{1}{2} gt^2\\\\t = \sqrt{\frac{2h}{g} } \\\\t = \sqrt{\frac{2\times 210}{9.8} }\\\\t = 6.55 \ s[/tex]

The horizontal distance covered by the cannonball before it hits the ground is calculated as;

[tex]X = U_x \times \ t\\\\X = 50 \times \ 6.55\\\\X = 327.5 \ m[/tex]

Therefore, the horizontal distance covered by the cannonball before it hits the ground is 327.5 m

Answer:

Loam is 40% sand, 40% silt, and 20% clay

Explanation:

Answer:

the distance covered by the car is 95.4 m.

Explanation:

Given;

initial velocity of the car, u = 36 m/s

acceleration of the car, a = -2.8 m/s²

time of motion of the car, t = 3 s

The distance covered by the car is calculated as;

s = ut + ¹/₂at²

s = 36(3) + ¹/₂ x (-2.8)(3)²

s = 108 - 12.6

s = 95.4 m

Therefore, the distance covered by the car is 95.4 m.

The best description of twins with identical DNA is that the twins will be identical physically and behaviorally. Thus, the correct option is C.

Identical twins are also called as the monozygotic twins which result from the fertilization of a single egg by a single sperm, or with the fertilized egg which are then splitting into two individual offspring. Identical twins share the same genomes and are also of the same sex.

Identical twins are also called as monozygotic twins, these result from the fertilization of a single egg by a single sperm, with the fertilized egg which then splitting into two identical cells. Identical twins share the same genomes and are always of the same sex.

Therefore, the correct option is C.

Learn more about DNA here:

https://brainly.com/question/21668095

#SPJ6

Answer:

False.....................................

I dont see the question to this

Answer:

The correct answer would be B

Explanation:

I took the test and we use wind and turbines to create a renewable energy source.

Answer:

a = -2.17 m / s²

Explanation:

In this problem you must ask for the acceleration of the elevator.

Let's use Newton's second law

           F-W = ma

           a =[tex]\frac{F}{m} - g[/tex] F / m-g

the weight of the body is 900 N and the force is the reading of the scale, let's find the mass

         w = mg

         m = w / g

         m = 900 / 9.8

         m = 91.84 kg

let's calculate

         a = 700 / 91.84 - 9.8

         a = -2.17 m / s²

The negative sign indicates that the elevator is going down

Answer:  .15

Explanation:

K.E. = 1/2 mv2

so m = 2 (K.E.)/v2

so m = 2 (4.8)/64 = .15

Answer:54cm²

Explanation:Area of first rectangle=L×B=6×5=30cm²

Area of second rectangle=L×B=8×3=24cm²

Areas are added to 54cm²

Answer:

Explanation:

Remark

In general, these 3rd class levers are very inefficient. Because the force distance is smaller than the load distance, you need to pull upward with more force that the weight of the load. So whatever the load is, the force is going to be much greater.

The distances are always measured to the pivot unless you are asked something specific otherwise.

Givens

F = ?

weight = 6N

Force Distance = F*d = 0.5 m

Weight Distance =W*d1 = 2 m

Formula

F*Fd = W*Wd

Solution

F*0.5 = 6 * 2            Divide by 0.5

F = 12/0.5

F = 24 N upwards

Answer:

256.5 km

Explanation:

Answer:

256.5 km

Explanation:

There's you go, hope this helps.

Answer:

true

Explanation:

An Electromagnet is called as a temporary magnet, because electromagnet is made up of insulated copper wire wrapped around soft iron, which allows current to flow in it and at that moment iron gains it magnetic properties and when the current is switched off, then there will be no flow of current and hence iron loses its magnetic properties.  

Hence it works temporarily as long as electric current flows in a conductor and hence known as temporary magnet. .

Answer:

please find attached pdf

Explanation:

Answer:

Final temperature, T2 = 31.11°C

Explanation:

Given the following data;

Mass = 4.5kg

Initial temperature = 20°C

Quantity of heat = 90000J

Specific heat capacity = 1,800. J/kg-°C

To find the final temperature;

Heat capacity is given by the formula;

[tex] Q = mcdt[/tex]

Where;

Q represents the heat capacity or quantity of heat.

m represents the mass of an object.

c represents the specific heat capacity of water.

dt represents the change in temperature.

Making dt the subject of formula, we have;

[tex] dt = \frac {Q}{mc} [/tex]

Substituting into the equation, we have;

[tex] dt = \frac {90000}{4.5*1800} [/tex]

[tex] dt = \frac {90000}{8100} [/tex]

dt = 11.11°C

Now, to find the final temperature T2;

But, dt = T2 - T1

Substituting into the equation, we have;

T2 = 11.11 + 20

Final temperature, T2 = 31.11°C

Answer:

d. 12.30 grams

Explanation:

Given the following data;

Force = 652 N

Acceleration = 53 m/s²

To find how much the object weigh, we would need to determine its mass;

Force = mass * acceleration

652 = mass * 53

Mass = 652/53

Mass = 12.30 grams.

Therefore, the object weighs 12.30 grams.