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Answer:

se elevator a maas eneergia mas alta

Answer:

A. Increasing the voltage of the battery

Explanation:

The relationship between voltage, V, current, I and resistance, R, is given as follows;

V = I × R

∴ I = V/R

From the above relationship, the current flowing in the circuit is directly proportional to the voltage of the battery, and inversely proportional to the resistance, 'R', of the circuit

Therefore, increasing the voltage, 'V', of the battery, increases the total current, 'I', flowing in the circuit.

Answer:

Fx = 35.36 N

Fy = 35.36 N

Explanation:

From the question,

The X component of the force is

Fx = Fcos∅.................. Equation 1

Where Fx = X component of the force, F = Force, ∅ = Angle to the horizontal.

Give: F = 50 N, ∅ = 45°

Substitute into equation 1

Fx = 50(cos45°)

Fx = 50(0.7071)

Fx = 35.36 N

Similarly,

For Y component

Fy = Fsin∅

Where F y = Y component

Fy = 50(sin45°)

Fy = 50(0.7071)

Fy = 35.36 N

Answer:

The right answer is "4.4%".

Explanation:

Given:

Generated electricity,

= 183.1 billion kWh

Total electricity production,

= 4098 billion kWh

Now,

The wind energy percentage will be:

= [tex]\frac{183.1}{4098}\times 100[/tex]

= [tex]0.0446\times 100[/tex]

= [tex]4.4[/tex] %

Answer:

A) The distance traveled by the ball in the Up-down dimension is 30 m

The displacement of the ball in the up-down direction is 0 m

B) The distance the ball travels in the east west direction is 45 m [East]

The displacement of the ball is the east-west direction is 45 m [East]

Explanation:

The long measures of the ball motion are;

The maximum height reached = 15 m Up

The horizontal distance traveled by the ball during flight = 30 m East

The distance the receiver ran  with the ball after the ball was caught = 15 m East

A) The distance traveled by the ball in the Up-down dimension = 15 m up + 15 m backdown = 30 m in the up-down direction

The displacement of the ball in the up-down direction, d = 15 m + (-15 m) = 0 m

B) The distance the ball travels in the east west direction = 30 m [E] + 15 m [E] = 45 [E]

The displacement of the ball is the east-west direction, d = 30 m + 15 m = 45 m [E].

Answer:

P = 800 Pa

Explanation:

The pressure of water at the bottom of the pot can be given by the following formula:

[tex]P = \rho g h[/tex]

where,

P = Pressure at the bottom of the pot = ?

ρ = density = 1000 kg/m³

h = height of water = 8 cm = 0.08 m

Therefore,

[tex]P = (1000\ kg/m^3)(10\ m/s^2)(0.08\ m)[/tex]

P = 800 Pa

Answer:

Ultraviolet.

Explanation:

Light wave can be defined as an electromagnetic wave that do not require a medium of propagation for it to travel through a vacuum of space where no particles exist. Also, it comprises of electric and magnetic field components.

An electromagnetic spectrum refers to a range of frequency and wavelength that an electromagnetic wave is distributed or extends. The electromagnetic spectrum comprises of gamma rays, visible light, ultraviolet radiation, x-rays, radio waves, and infrared radiation.

Radiation is simply the transmission or emission of energy in the form of particles or electromagnetic waves through a vacuum, material medium or space.

Basically, a type of electromagnetic radiation which is highest in energy is ultraviolet (UV) radiation. Although, ultraviolet (UV) radiation has a smaller wavelength.

Answer:

   i = 1.09 10⁴ A

Explanation:

For this exercise we will look for the resistance of the wire

          R = ρ L / a

the area of ​​the wire is

          a =ππ r² = π πd² / 4

we substitute

         R = ρ L 4 / π d²

          R = 1.72 10⁻⁸   20  4/π 8 10⁻⁴

         R = 5.47 10⁻⁴ Ω

to calculate the current we use ohm's law

           V = R i

            i = V / R

            i = 6 / 5.47 10⁻⁴

            i = 1.09 10⁴ A

Answer:

Enzymes

Explanation:

Enzymes are biological catalysts, which regulate various chemical reactions in the body.

The biochemical reactions involved in the digestion of food are regulated by enzymes. These biochemical reaction converts food into nutrients that are useful to the body.

For instance, the enzyme amylase catalyses the hydrolysis of starch into sugars.

Answer:

Explanation:

A body is said to be in uniform acceleration if change in velocity with respect to time is the same in equal time interval .

A body is said to be in non uniform acceleration if change in velocity with respect to time is not the same in equal time interval.

Answer:

The distance will be "0.319 m".

Explanation:

The diagram of the given question is not attached with the problem. Below is the attached figure.

The given values are:

[tex]q1 = -3.33\times 10^{-9} \C[/tex]

[tex]q2 = -5.22\times 10^{-9} \ C[/tex]

As we know,

The electric field will be equivalent as well as opposite throughout the direction, then

⇒ [tex]\frac{R.q1}{(0.255)^2} =\frac{R.q2}{r^2}[/tex]

⇒ [tex]r^2=\frac{q2}{q1}\times (0.255)^2[/tex]

By putting the values, we get

⇒      [tex]=\frac{-5.22\times 10^{-9}}{-3.33\times 10^{-9}}\times (0.255)^2[/tex]

⇒      [tex]=1.568\times 0.065[/tex]

⇒  [tex]r^2=0.10193[/tex]

⇒  [tex]r=\sqrt{0.10193}[/tex]

⇒     [tex]0.319 \ m[/tex]    

Answer:

40degrees

Explanation:

Since the mirrors are parallel, the angle of incidence on the first mirror will be the same as the angle of incidence on the second mirror.

Angle of incidence on the second mirror = 40degrees

According to the second law of reflection, the angle of incidence is equal to the angle of reflection. Hence;

angle of incidence = angle of reflection = 40degrees

This shows that the angle of reflection from the second mirror is 40degrees

Answer:

This unbalanced force causes her to change in direction.

If the forces on an object are unbalanced, this is what happens:

a stationary object starts to move in the direction of the resultant force

a moving object changes speed and/or direction in the direction of the resultant force

Answer:

1) The energy released during nuclear fission or fusion, especially when used to generate electricity is called nuclear energy.

2) It is not renewable because it is an element that has no way whatsoever to regenerate or replicate itself, nor gets created by any natural terrestrial means, neither makes itself available by arriving from outer space (like sunlight). There is a limited amount of it available on the Earth, and every bit you use is a bit you’ll never have available again (as Uranium atoms get destroyed by the fission process).

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Answer:

200N

Explanation:

its basic.................

Answer: [tex]10.42\ m/s[/tex]

Explanation:

Given

Usain Bolt ran the race with a length [tex]200\ m[/tex]

Time is taken to complete it [tex]t=19.19\ s[/tex]

We know, [tex]\text{Distance}=\text{speed}\times \text{time}[/tex]

Insert the values

[tex]\Rightarrow 200=v\times 19.19\\\\\Rightarrow v=\dfrac{200}{19.19}\\\\\Rightarrow v=10.42\ m/s[/tex]

So, the speed of Usain Bolt is [tex]10.42\ m/s[/tex]

Answer:

Therefore letter C is the correct answer.

Explanation:

In a projectile motion the total time in the air can be calculated using the following equation:

We analyze the y-component motion.

[tex]v_{fy}=v_{iy}-gt[/tex]

When the final velocity (v(f)) is equal to zero we calculate the upward time and multiplying it by 2 we find the total time in the air. So we will have:

[tex]t_{tot}=2\frac{v_{iy}}{g}[/tex]

[tex]t_{tot}=2\frac{v_{i}sin(\theta)}{g}[/tex]

We can see that the total time is directly proportional to the angle, then when θ increase t increase.

Therefore letter C is the correct answer.

I hope it helps you!  

Answer:

Average speed = 0, Average velocity = 0.02 m/s

Explanation:

Given that,

A car travels from A to B and from B back to A.

The distance between A and B is 12 km

It took 20 minutes to travel full.

We need to find the average speed and the average velocity of the car.

As the car reaches the point from where it was started, the displacement of the car is equal to 0. As a result, the average velocity is equal to 0.

For average speed,

[tex]s=\dfrac{12+12}{60\times 20}\\\\s=0.02\ m/s[/tex]

Hence, this is the required solution.

Answer:

Given that the warm water is less dense than the cold water, we have;

Explanation:

Answer:

B. 175 N

Explanation:

Net force can be defined as the vector sum of all the forces acting on a body or an object i.e the sum of all forces acting simultaneously on a body or an object.

Mathematically, net force is given by the formula;

[tex] Fnet = Fapp + Fg[/tex]

Where;

Fnet is the net force

Fapp is the applied force

Fg is the force due to gravitation

In this scenario, we observed that both forces are acting in the same direction.

Therefore:

Net force = 100 N + 75 N

Net force = 175 Newton

Answer:

Binding energy is the energy that holds a nucleus together, equal to the mass defect of the nucleus.

Explanation:

Binding energy is energy that holds a nucleus together. It equals to the mass defect of the nucleus.

Every object in the universe attracts every other object with a force along a line joining them. The force is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers of mass.

Answer:

It is due to the large impulse is imparted on the flour.

Explanation:

A ball is moving faster.

When a ball is moving faster strikes to the flour, the change in momentum is large and thus the impulse imparted on the flour is large.

Impulse = change in momentum

So, as the flour experiences large impulse and large momentum so that the flour spreads out.

If the change in momentum is large so the flour spreads out is more.  

When a ball moves with faster velocity, then a greater impulse force is generated that causes more flour to spread out.​

Momentum can be defined as the mass in motion. It is the product of mass and velocity. It is given by the formula,

p = mv

where p is the momentum, m is the mass, and v is the velocity.

As we know that the ball has some mass and the ball is moving with some velocity, therefore, the ball will have some momentum. Also, we know that when the ball will hit the flour the momentum of the ball will become zero, therefore, the change in momentum in such a short time will generate an impulse.

Thus, if the velocity of the ball is more than the impulse generated will be more which will cause more flour to spread out.​

Hence, When a ball moves with faster velocity, then a greater impulse force is generated that causes more flour to spread out.​

Learn more about Momentum:

https://brainly.com/question/4956182

Explanation:

the wavelengths get shorter

Answer:

Direction: north-west (45 degrees)

Magnitude: 500 N

Explanation:

The wind exerts a force upwards, a.k.a. north.

The water exerts a force to the left, or west.

The directions are 90 degrees apart from each other, so the angle of the je force is 45 degrees (north-west).

We can use the Pythagorean theorem to calculate the magnitude.

[tex]a^2+b^2=c^2\\400^2+300^2=250000^2\\\sqrt{250000} = 500N[/tex]

Answer:

3

Explanation:

Answer:

RESISTANCE=(4+8+12)Ohms

=24 ohms

V=IR

24= I ×24

I= 24/24

I= 1 A

CURRENT IS 1 A

Answer:

resistanceeeeeeeeeeeeeeeeeee

When you double capacitance and inductance, the new resonace frequency becomes f0/2.

The resonace frequency of RLC series circuit, is the frequency at which the capacitivity reactance is equal to inductive reactance.

Xc = Xl

[tex]\frac{1}{2\pi f_0C} = 2\pi f_0 L\\\\4\pi^2 f_0^2 LC = 1\\\\f_0^2 = \frac{1}{4\pi^2 LC} \\\\f_0 = \sqrt{\frac{1}{4\pi^2 LC} } \\\\f_0 = \frac{1}{2\pi } \frac{1}{\sqrt{LC} }[/tex]

where;

When you double capacitance and inductance, the new resonace frequency becomes;

[tex]f_0 = \frac{1}{2\pi } \frac{1}{\sqrt{LC} }\\\\f_1 = \frac{1}{2\pi } \frac{1}{\sqrt{2L (2C)} } \\\\f_1 = \frac{1}{2\pi } \frac{1}{\sqrt{4LC} }\\\\f_1 = \frac{1}{2}( \frac{1}{2\pi } \frac{1}{\sqrt{LC} })\\\\f_1 = \frac{1}{2} (f_0)[/tex]

Thus, When you double capacitance and inductance, the new resonace frequency becomes f0/2.

Learn more about resonance frequency here: https://brainly.com/question/9324332