Five locations are marked on the world map. which location is most prone to hurricanes? five locations are marked on the world map. which location is most prone to hurricanes?


a.

b.

c.

d.

e.

The value of a is 5, the value of b is 5/2 if the triangle is a right angle triangle option (B) is correct.

The trigonometric ratio is defined as the ratio of the pair of a right-angled triangle.

From the tan ratios:

[tex]\rm tan30 = \dfrac{b}{\dfrac{5\sqrt{3}}{2} }[/tex]

[tex]\rm \dfrac{1}{\sqrt{3} } = \dfrac{b}{\dfrac{5\sqrt{3}}{2} }[/tex]

b = 5/2

From the cos ratio:

[tex]\rm cos30 = \dfrac {\dfrac{5\sqrt{3}}{2}}{a}[/tex]

[tex]\rm \dfrac{\sqrt{3}}{2}= \dfrac {\dfrac{5\sqrt{3}}{2}}{a}[/tex]

a = 5

Thus, the value of a is 5, the value of b is 5/2 if the triangle is a right angle triangle option (B) is correct.

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Hello!

We can use the following equation for calculating power dissipated by a resistor:
[tex]P = i^2R[/tex]

P = Power (? W)
i = Current through resistor (2.0 A)
R = Resistance of resistor (50Ω)

Plug in the known values and solve.

[tex]P = (2.0^2)(50) = \boxed{\text{ B. }200 W}[/tex]

Answer:

1) Animals form groups to increase their chance of survival.

2) Animals stay in groups because it makes hunting for food easier.

3) Animals can protect their young ones much easier.

Explanation: Hope it helps you :)))))

have a good day

Answer:

are able to see/observe

Explanation:

Humans are not able to see most wavelengths in the universe--but there is a select range that is visible to our eyes. This (which is usually shown on an electromagnetic spectrum diagram/chart/depiction by a small portion of rainbow) is the visible light spectrum

One come in direct contact with micro, radio, radar, infrared and visible waves.

The electromagnetic spectrum consists of the range of all types of EM radiation. Radiation is packet of energy that travels and spreads out. It has radio waves, infrared waves and visible light waves, ultraviolet rays and microwaves.

They possess high energy even to penetrate deep within the material. electromagnetic spectrum has longer wavelength and less frequency.

Everyday life is completed by artificially made electromagnetic radiation:

Thus, we come in direct contact of the waves in electromagnetic spectrum.

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Answer:

Radio waves

Explanation:

I hope it helps u dear^_^

[tex] \huge \tt \color{pink}{A}\color{blue}{n}\color{red}{s}\color{green}{w}\color{grey}{e}\color{purple}{r }[/tex]

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[tex]\large\underline{ \boxed{ \sf{✰\:Radio\:waves }}}[/tex]

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The electromagnetic waves with the longest wavelength are radio waves .

========================

Hope it helps!

The natural frequency of this dowel rod is determined as 0.5 Hz.

The frequency of an object is the number of complete revolutions per second.

F = n/t

where;

F = 1/2

F = 0.5 Hz

Thus, the natural frequency of this dowel rod is determined as 0.5 Hz.

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1 kg = 9.81N

8300 kg x 9.81 = 81,423N

81,423 / 7000 = 11.63 tires.

The least amount of tires would be 12

Use lens formula

The focal length of the lens is 5.8 cm.

To find the focal length, the given values are:

Image distance - 10 cm

Object distance - 14 cm

      The distance between the convex lens or a concave mirror and the focal point of a lens or mirror is called the focal length. This is the parallel line which meet at the distance from the lens or mirror.

                1/Focal length = 1/Image distance + 1/Object distance ( cm )

                                    1/f = 1/v-1/u

                                    1/f = 1/-10-1/14

                                    1/f = -7-5/70

                                    1/f = -12/70

                                      f = 70/-12

                                      f = -5.8cm

The focal length of the lens is - 5.8 cm.

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Closed environment refers to the limited air transfer that takes place once the station has been launched.

This is an environment which has little or no interference with the atmosphere.

Launching of station in a closed environment will help prevent damages done as a result of exposure to radiations etc.

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10,000 Hz is a reasonable estimate of a frequency that can be heard by the human ear.

Humans can detect sounds in a frequency range from about 20 Hz to 20000 Hz. Lower than 20 Hz and higher than 20000 Hz can't be heard by the human ear. We can say that 10000 Hz can be hear because it comes in this range

So we can conclude that 10,000 Hz is a reasonable estimate of a frequency that can be heard by the human ear.

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Answer:

a=1.94 ms−2. is acceleration of the train

The velocity of the block leaving the spring is determined as 18.26 m/s.

The velocity of the block leaving the spring is calculated from the principle of conservation of energy.

K.E = Ux

¹/₂mv² = ¹/₂kx²

v² = kx²/m

v² = (500 x 2²)/6

v² = 333.33

v = √333.33

v = 18.26 m/s

Thus, the velocity of the block leaving the spring is determined as 18.26 m/s.

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The minimum initial velocity that the ball must have for it to reach the top of the hill is 21 m/s. The correct option is D.

The mechanical energy is the sum of kinetic energy and the potential energy of an object at any instant of time.

M.E = KE +PE

A boy is trying to roll a bowling ball up a hill. The friction is ignored.  The ball must have to reach the top of the hill with a velocity. The acceleration due to gravity, g = 9.8 m/s²

The conservation of energy principle states that total mechanical energy remains conserved in all situations where there is no external force acting on the system.

M.E bottom of hill = M.E on top of hill

Kinetic energy + Potential energy = Kinetic energy  + Potential energy

1/2 mu² + 0 =  0 + mgh

At the top of hill, the velocity will become zero. So, final kinetic energy is zero.

Substituting the values, we have

1/2 x u² = 9.8 x 22.5

u = sqrt [2 x9.8 x 22.5 ]

u= 21 m/s

Thus, the minimum initial velocity that the ball must have for it to reach the top of the hill is 21 m/s.

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Answer:

scientific inquiry.

Explanation:

scientific inquiry. Scientific inquiry encompasses the many methods through which scientists investigate the nature of reality and provide interpretations based on the data gathered.

Answer:

In the core of the Sun hydrogen is being converted into helium. This is called nuclear fusion. It takes four hydrogen atoms to fuse into each helium atom. During the process some of the mass is converted into energy.

Answer:

Hydrogen in the middle of the sun is being converted into helium. This helium that was just converted from hydrogen (air as we know it) is now called Nuclear Fusion.

Explanation:

Explanation:

Average speed=distance/time

=20/40

=0.5m/s

The halter add the distance to the jump in meters is 0.55 m.

When an object is thrown at an angle from the horizontal direction, the object is said to be in projectile motion. The object which follows the projectile motion is called the projectile.

The magnitude of velocity u =10.3 m/s, angle of jumping θ = 22.8 degrees.

Components of velocity in x and y direction are

Vx = 10.3 cos 22.8 = 9.5 m/s

Vy = 10.3 sin 22.8 = 4 m/s

Maximum Range of athlete achieved using halter is given by

R = u²sin2θ /g

where, u = initial velocity, θ is the angle of projection and g is the gravitational acceleration.

Substituting the values, we get

R = (10.3)² sin(2 x 22.8 °) / 2 x 9.81

R = 7.75m

At the peak of jump you throw two 5.5 kg masses horizontally behind you such that their velocity is zero in the ground's reference frame.

The momentum is conserved in this situation,

(M+2m)Vxo =MVx'

Vx' = (M+2m)/M x Vxo'

Change in x component of velocity ΔVx = Vx' -Vxo

Vxo = 2m/M x Vx

Vxo = 2 x 5.5 /78 x 9.5

Vxo = 1.34 s

Maximum height gained when final velocity is zero

Vy = 0 = Vyo -gt

time t = Vyo/g = 4/9.8 = 0.41s'

Increase in range by using of halters is

ΔR = ΔVx' x t

ΔR = 1.34 x 0.41

ΔR =0.55m

Thus, the halter add the distance to the jump in meters is 0.55 m.

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Explanation:

Total displacement = 200 km

Total time taken = 2 hour...

Now...

[tex]average \: velocity \: = \frac{total \: displacement}{total \: time \: taken \: } \\ [/tex]

[tex] = \frac{200}{2} \\ [/tex]

= 100 kilometers/hour south

Answer:

the heavier the load in a cart ,the harder the cart is to turn

Answer:

C. The Heavier the load the harder the cart is 2 turn

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Latitude affects the length of the day due to the inclination of its axial tilt, which also influences the reception of sunlight.

Earth's inclination makes reference to its axial tilt which is approximately 23.5 degrees.

Earth's inclination influence the amount of sunlight received by the Earth's surface, thereby affecting the length of the day at different latitudes.

This difference is more marked at high latitudes and near the Earth's poles, we have six months of plenty of light and six months of night.

In conclusion, latitude affects the length of the day due to the inclination of its axial tilt which also influences the reception of sunlight.

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Answer:

C Thy make the force exert all at once

The relationship between work and energy is that work can transfer energy between objects and cause a change in the form of energy.

Energy is simply defined as the ability to do work.

Energy possessed by any object or matter enables it to do work of various forms.

Energy can be transferred from one object to another. Also, energy can be transformed into various forms.

Therefore, the relationship between work and energy is that work can transfer energy between objects and cause a change in the form of energy.

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The value of the c will be (0 i+0 j+0 k). c is a vector that is along the positive x-axis and has the condition a(b+c)=0.

A vector is a quantity or phenomena with magnitude and direction that are independent of one another. The phrase also refers to a quantity's mathematical or geometrical representation.

Given ;

a=3i-2j+k

b=-i-4j+3k

Given property:

a(b+c)=0

-i-4j+3k ((-i-4j+3k)+c)=0

(3+8+3)(-i-4j+3k)c=0

14(-i-4j+3k)c=0

c=0 i+0 j+0 k

Hence, the value of the c will be (0 i+0 j+0 k).

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Olivia is on a swing at the playground. The kinetic energy is increasing and her potential energy decreasing at point X.

The kinetic energy of an object is the ability to do work by virtue of its motion and potential energy is the ability to do work by virtue of its position.

At point W and Z, Olivia is at the maximum displacement from the mean position, where kinetic energy is zero and potential energy is maximum.

At point Y, it is approaching to increase its potential energy and decreasing kinetic energy. Opposite to this, at point X, kinetic energy is increasing and potential energy is decreasing.

Thus, the kinetic energy is increasing and her potential energy decreasing at point X.

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Answer:

X

Explanation:

Answer:

Constant positive acceleration

Explanation:

Answer:

The wavelength of this sound wave would be longer in water than in the air.  

Explanation:

Let [tex]f[/tex] denote the frequency of this sound wave (standard unit: [tex]\rm s^{-1}[/tex].)

If the speed of sound in a particular medium is [tex]v[/tex] (standard unit: [tex]{\rm m \cdot s^{-1}}[/tex],) the wavelength [tex]\lambda[/tex] of this wave in that medium would be:

[tex]\begin{aligned} \lambda = \frac{v}{f} && \genfrac{}{}{0}{}{(\text{standard unit: ${\rm m \cdot s^{-1}}$})}{(\text{standard unit: ${\rm s^{-1}}$})}\end{aligned}[/tex].

Let [tex]v_\text{water}[/tex] denote the speed of sound in water and let [tex]v_\text{air}[/tex] denote the speed of sound in the air at room temperature.

The wavelength of this sound wave in water would be:

[tex]\displaystyle \lambda_{\text{water}} = \frac{v_{\text{water}}}{f}[/tex].

The wavelength of this sound wave in the air at room temperature would be:

[tex]\displaystyle \lambda_{\text{air}} = \frac{v_{\text{air}}}{f}[/tex].

Fact: the speed of sound in water (a liquid) is greater than the speed of sound in air at room temperature. In other words:

[tex]v_{\text{water}} > v_{\text{air}}[/tex].

Given that [tex]f > 0[/tex]:

[tex]\begin{aligned} \frac{v_{\text{water}}}{f} > \frac{v_{\text{air}}}{f}\end{aligned}[/tex].

Therefore:

[tex]\begin{aligned} \lambda_{\text{water}} > \lambda_{\text{air}}\end{aligned}[/tex].