When people do a bungee jump they are asked how much they weigh. Why?



To do a bungee jump people need to be given a bungee rope that will stretch the right amount for their weight.



To fill the water tank at the bottom with the right amount of water for their weight.



To register the world record for their weight in the tournament.

Answer:

25m

Explanation

Let the horizontal displacement formula be expressed as;

Dx = Dcos theta

theta is the angles subtended by the displacement

Given

D = 50m

theta = 60°

Required

horizontal displacement of the chimpanzee

Substitute into the formula

Recall that: Dx = Dcos theta

Dx = 50cos60°

Dx = 50(0.5)

Dx = 25m

Hence the horizontal displacement of the chimpanzee is 25m

Answer:

Wheres the table?

Explanation:

Answer:

Scientific investigation is a quest to find the answer to a question using the scientific method. In turn, the scientific method is a systematic process that involves using measurable observations to formulate, test or modify a hypothesis.

Explanation:

If you put your spoon in the microwave, nothing will happen to it as long as it has round edges and it is not touching any sides of the microwave.

Spoons are generally made from stainless steel. Stainless steels are iron and chromium. In some cases, other metals such as nickel are thrown into the mix.

Thus, being made of metals, these stainless steels are good conductors of heat and electricity.

A microwave works by heating foods put into it using electromagnetic radiation in the microwave frequency range. Electromagnetic radiation causes the molecules of food to rotate and produce thermal energy.

If the spoon touches the side of the microwave, sparks may result. Otherwise, it is totally fine because spoons usually have round edges. With rough edges,  the waves may be reflected back and forth and create sparks.

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Answer:

I think it is pulling the sled off the ice covered back yard.

Given parameters:

Mass of block = 5kg

Coefficient of friction = 0.5

g = 10m/s²

Unknown

Minimum force F required to hold the block =?

Solution:

Frictional force is a force that opposes motion.

The minimum force required to hold the block to the wall is the frictional force.

   Frictional force  =  uN

  Where u is coefficient of friction

              N is the normal force

      N = mg

where m is the mass of the body

          g is the acceleration due to gravity

 So,

         Frictional force = umg

                                   = 0.5 x 5 x 10

                                    = 25N

The force required here is 25N

Answer:

8 m/s to the left.

Explanation:

Applying,

V = d/t...................... Equation 1

Where V = Velocity of the car, d = distance, t = time

From the question,

Given: d = 24 meters, t = 3 seconds

Substitute these values into equation 1

V = 24/3

V = 8 m/s to the left.

Hence the velocity of the car is 8 m/s to the left.

Explanation:

You want  N/m

 N = 66 * 9.81

 m = 2.3 x 10^-2 m

66* 9.81 / 2.3 x 10^-2  = 28150 =  28 000 N/m    to two S D

The  slope of the line segment is 1.0 m/s.

first option is the correct answer.

The slope of a position time graph is known is as velocity  because it indicates the rate of change of displacement with time.

The velocity of an object is the rate of change of displacement with time.

Mathematically, the formula for velocity of an object is given as;

V = Δx / Δt

where;

V = ( xf - xi ) / ( t₂ - t₁ )

where;

at time, t = 2 seconds, the position of the object xi, = 5.5 m

at time, t = 3 seconds, the position of the object xf, = 6.5 m

The  slope of the line segment is calculated as follows;

V = ( xf - xi ) / ( t₂ - t₁ )

V = ( 6.5 m - 5.5 m ) / ( 3s - 2s )

V = 1.0 m/s

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The frequency ratio between two frequencies f1 and f2 is given by:

frequency ratio = f2 / f1

Substituting the given values, we get:

frequency ratio = 576 Hz / 320 Hz = 1.8

Therefore, the frequency ratio between the two frequencies f1 = 320 Hz and f2 = 576 Hz is 1.8.

(b) If we go down from f1 by an interval of a fourth, we get a frequency that is 5 semitones lower. The frequency ratio for a single semitone is given by:

2^(1/12) ≈ 1.05946

Going down by 5 semitones, we get a frequency ratio of:

1 / (2^(5/12)) ≈ 0.84090

Therefore, the frequency ratio between f1 and the frequency that is a fourth below it is approximately 0.84090.

(c) To find the frequency of f3, we need to know the interval between f1 and f3. Let's assume that f3 is a fifth above f2. The frequency ratio for a fifth is given by:

2^(7/12) ≈ 1.49831

Therefore, the frequency of f3 is:

f3 = f1 * (2^(7/12)) * (2^(7/12)) = 320 Hz * 1.49831 * 1.49831 ≈ 716 Hz

Therefore, the frequency of f3 is approximately 716 Hz.

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The wavelength of a wave is the distance it travels in the direction of propagation over a period of periodic time.

The distance covered by a point on the wave pattern in one unit of time is referred to as wave speed. It specifies the speed at which the wave is travelling through the medium and is frequently measured in figures like meters/second. The distance an object goes in a certain amount of time determines its speed, whether it be an object or a wave.

A wave is what? A wave is an energetic disturbance in a medium that doesn't include any net particle motion. Elastic deformation, a change in pressure, an electric or magnetic intensity, an electric potential, or a change in temperature are a few examples.

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A periodic variable's amplitude is a measure of its change over a single period.

The number of waves that pass through a specific spot in a given amount of time is referred to as the wave frequency. The hertz is the SI unit for wave frequency (Hz).

The wavelength is the distance between two wave crests, and it is also the distance between two wave troughs. It is important to note that wavelength is calculated as:

= Speed / Frequency

= 75 / 5.42

= 13.84m

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Complete question

With speed of 75m/s and period 5.42ms. Calculate the. wavelength.

The mode number for the electromagnetic standing waves in a 42.9-cm-wide microwave oven with a frequency of 2450 MHz is 7.

The mode number of  standing waves in a microwave oven can be found using  formula:

n = 2L/λ

λ = c/f

where c is the speed of light in vacuum and f is  frequency of the microwaves.

We are given  frequency of  microwaves as 2450 MHz. Converting this to SI units, we get:

\(f = 2.45 * 10^9 Hz\)

The speed of light in vacuum is approximately \(3.00 *10^8 m/s\).

Now we can calculate  wavelength:

\(\lambda = c/f \\\lambda = (3.00 * 10^8 m/s) / (2.45 * 10^9 Hz) \\\lambda = 0.1225 m\)

We are also given the width of the microwave oven as 42.9 cm, which we convert to meters:

L = 0.429 m

Now we can calculate the mode number:

\(n = 2L/\lambda \\n = 2(0.429 m) / 0.1225 m \\n = 7\)

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The energy transfer that takes place as the ball changes shape during the contact between the racquet and the ball is due to the changes in shape results in deformation of the ball that converts kinetic energy from the racquet into elastic potential energy in the ball.

When a ball strikes a racquet, the kinetic force of racquet causes the ball to compress, which results in a change in its shape and the energy is transferred from the racquet to the ball, and the work done by the racquet on the ball increases the potential energy stored in the compressed ball, and the ball bounces.

Hence, changes in shape results in deformation of the ball and converts kinetic energy present in the racquet to elastic potential energy in the ball and bounces it.

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The question is incomplete, the complete question is here

State the energy transfer that takes place as the ball changes shape during the contact between the racquet and the ball.

Answer:

a model would be very benaficial to a scientest because they need them

Explanation:

1 model for eachscientest

The force actually being used to push the mower along the ground is 191 N.

When the physics student exerts a force of 250 N along the handle of the push mower, it's important to consider the components of this force that contribute to the actual force used to push the mower along the ground.

To determine the force used to push the mower along the ground, we need to find the horizontal component of the applied force. The angle of 40° indicates that the applied force can be broken down into two components: the horizontal component and the vertical component. The vertical component of the force is perpendicular to the direction of motion and does not contribute to pushing the mower forward.

To find the horizontal component, we can use trigonometry. The horizontal component is given by the formula:

Horizontal component = Applied force * cos(angle)

Plugging in the values, we get:

Horizontal component = 250 N * cos(40°)

Calculating this value, we find that the horizontal component of the applied force is approximately 191 N.

Therefore, the force actually being used to push the mower along the ground is 191 N. This is the component of the applied force that contributes to the forward motion of the mower, while the remaining vertical component is directed perpendicular to the ground and does not assist in pushing the mower forward.

By exerting a force of 250 N along the handle at a 40° angle, the student effectively applies 191 N of force to push the mower along the ground, ensuring efficient use of their effort while considering the environmental impact.

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Answer:

I would assume a force of gravitational pull.

Explanation:

Answer:  How powerful the pull is or how many magnetic things it can pick up at one time, or a heavy magnetic object.

Explanation:

The total distance is 105 kilometers and the total displacement is 15 kilometers east. Option C

To calculate the total distance, we add the distances traveled in each leg of the journey: 60 kilometers (from A to B) + 45 kilometers (from B back to A) = 105 kilometers.

However, displacement refers to the change in position of an object in a straight line from its starting point to its ending point. In this case, since the boat starts and ends at the same point (A), the total displacement is zero.

Hence The total distance is 105 kilometers and the total displacement is 15 kilometers east.

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Answer:

generator

Explanation:

it gives u electricity can i get brainliest

The correct answer is Option B. The statement "they have the same A-number but different Z-number" is true .

Atoms of the same element only differ because one of the atoms has more electrons, making it an ion.

This difference does not affect the mass of the atom, which is determined by the sum of its protons and neutrons, represented by the atomic mass or A-number.

The number of protons in an atom is called the atomic number or Z-number.

The Z-number of an element is unique to it. All the atoms of a given element have the same number of protons.

Thus, for example, all carbon atoms have six protons, making the Z-number of carbon 6.

However, different isotopes of an element can have different numbers of neutrons.

This means that they have a different atomic mass or A-number.

Therefore, they have the same A-number but different Z-number.

Therefore the correct Option is B.

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The absolute pressure at an ocean depth of 1.0 x 10^3 m is 1.002 x 10^8 Pa.

Hydrostatic pressure is the pressure that a fluid exerts on a surface due to the weight of the fluid above it. It is the result of the force of gravity acting on a column of fluid, and it is directly proportional to the height of the column of fluid and the density of the fluid.

The absolute pressure at an ocean depth of 1.0 x 10^3 m can be calculated using the hydrostatic pressure equation:

P = ρgh + Po

where:

P is the absolute pressure at the given depth

ρ is the density of the water

g is the acceleration due to gravity (assumed to be 9.81 m/s²)

h is the depth of the ocean

Po is the atmospheric pressure at the surface (assumed to be 1.01 x 10^5 Pa)

Substituting the given values, we get:

P = (1.025 x 10^3 kg/m³) x (9.81 m/s²) x (1.0 x 10^3 m) + 1.01 x 10^5 Pa

P = 1.025 x 9.81 x 10^6 Pa + 1.01 x 10^5 Pa

P = 1.002 x 10^8 Pa.

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Answer:

The wavelengths are

     \(\lambda_1  =  614\ nm \)

     \(\lambda_2  =  687\ nm \)

\(\lambda_3 = 975\ nm \)

Explanation:

From the question we are told that

The number of slits per mm is N = 1200

The distance of the screen is \(D = 79.0 \ cm = 0.79 \ m\)

The first distance where First-order maxima is observed is \(y_1 = 58.2 cm = 0.582 \ m \)

The second distance where First-order maxima is observed is \(y_2 = 65.2 \ cm = 0.652 \ m \)

The second distance where First-order maxima is observed is \(y_2 = 92.5 \ cm = 0.925 \ m \)

Generally the distance of separation between the slits is mathematically represented as

\(d = \frac{1}{1200}= 8.33 *10^{-4} \ mm = 8.33 *10^{-7} \ m\)

Considering the first distance where First-order maxima is observed

Generally the the first distance where First-order maxima is observed is mathematically represented as

\(y_1 = \frac{\lambda_1 * D}{d}\)

=> \(\lambda_1 = \frac{0.582 * 8.33 *10^{-7} }{0.79}\)

=>     \(\lambda_1  =  6.14 *10^{-7} m \)

=>     \(\lambda_1  =  614\ nm \)

Considering the second distance where First-order maxima is observed

Generally the the second distance where First-order maxima is observed is mathematically represented as

\(y_2 = \frac{\lambda_2 * D}{d}\)

=> \(\lambda_2 = \frac{0.652 * 8.33 *10^{-7} }{0.79}\)

=>     \(\lambda_2  =  6.87 *10^{-7} m \)

=>     \(\lambda_2  =  687\ nm \)

Considering the third distance where First-order maxima is observed

Generally the the third distance where First-order maxima is observed is mathematically represented as

\(y_3 = \frac{\lambda_3 * D}{d}\)

=> \(\lambda_3 = \frac{0.925 * 8.33 *10^{-7} }{0.79}\)

=>     \(\lambda_3  =  9.75 *10^{-7} m \)

=>     \(\lambda_3 =  975\ nm \)

The average acceleration of the motorcycle over the given distance is approximately 9.39 m/s².

To calculate the average acceleration of the motorcycle, we can use the formula:

Average acceleration = (final velocity - initial velocity) / time

First, let's convert the final velocity from km/h to m/s since the distance is given in meters. We know that 1 km/h is equal to 0.2778 m/s.

Converting the final velocity:

Final velocity = 78 km/h * 0.2778 m/s = 21.67 m/s

Since the motorcycle starts from rest (initial velocity is zero), the formula becomes:

Average acceleration = (21.67 m/s - 0 m/s) / time

To find the time taken to reach this velocity, we need to use the formula for average speed:

Average speed = total distance/time

Rearranging the formula:

time = total distance / average speed

Plugging in the values:

time = 50 m / 21.67 m/s ≈ 2.31 seconds

Now we can calculate the average acceleration:

Average acceleration = (21.67 m/s - 0 m/s) / 2.31 s ≈ 9.39 m/s²

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The speed at which the dish move after combining into a single, wonderful concoction is 1.92 m / s

p = m v

p = Momentum

m = Mass

v = Velocity

According to law of conservation of momentum,

Total initial momentum = Total Final momentum

\(m_{1}\) \(v_{1}\) + \(m_{2}\) \(v_{2}\) = \(m_{1}\) \(v_{1}\)' + \(m_{2}\) \(v_{2}\)'

Since the dish is combined into a single, wonderful concoction, it will move with the same velocity,

\(v_{1}\)' = \(v_{2}\)' = v'

\(m_{1}\) \(v_{1}\)+ \(m_{2}\) \(v_{2}\) = \(m_{1}\) v' + \(m_{2}\) v'

\(m_{1}\) \(v_{1}\) + \(m_{2}\) \(v_{2}\) = ( \(m_{1}\) + \(m_{2}\) ) v'

v' = ( \(m_{1}\) \(v_{1}\) + \(m_{2}\) \(v_{2}\) ) / ( \(m_{1}\) + \(m_{2}\) )

\(m_{1}\) = 215 g

\(m_{2}\) = 349 g

\(v_{1}\) = 1.63 m / s

\(v_{2}\) = 2.10 m / s

Substituting these values in v'

v' = [ ( 215 * 1.63 ) + ( 349 * 2.10 ) ] / ( 215 + 349 )

v' = ( 350.43 + 732.9 ) / 564

v' = 1083.33 / 564

v' = 1.92 m / s

Therefore, the dish moves at 1.92 m / s

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Answer:

75kg

Explanation:

\(F=mg\)

\(m=\frac{F}{g}\)

\(m=\frac{735}{9.8}\)

\(m=75kg\)

Therefore, the answer is the third option 75 kg

The following relationships concerning two masses and the gravity between;The larger the masses, the larger the gravitational force between them.

What is the gravity ?

Gravity is the force of attraction between two objects that is caused by their mass. It is a fundamental force of nature that is responsible for the formation, shape and trajectory of the universe. It is responsible for keeping the planets and stars in their orbits and for keeping us on the ground. Gravity is a very weak force and its effects are only noticeable when objects have a very large mass. It is the weakest of the four fundamental forces, but is the dominant force in the universe on the large scale. Gravity acts on all objects in the universe, regardless of their size, shape or composition. Gravity is a universal force that cannot be switched off or blocked.

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Answer:

18.89cm

Explanation:

As we know that the person is standing 5m in front of the camera

\(d_0=5m=500cm\)

The focal length of the lens =50cm

f=50 cm

By Lens formula we have:

\(\dfrac{1}{f} = \dfrac{1}{d_i} + \dfrac{1}{d_o}\\\dfrac{1}{50} = \dfrac{1}{d_i} + \dfrac{1}{500}\\\dfrac{1}{d_i} =\dfrac{1}{50}-\dfrac{1}{500}\\\dfrac{1}{d_i}=0.018\\d_i=55.56cm\)

By the formula of magnification

\(\dfrac{h_i}{h_o} = \dfrac{55.56}{500}\\\\h_i = \dfrac{55.56}{500} \times h_o\\\\ h_o=1.70m=170cm\\\\Therefore: h_i=\dfrac{55.56}{500} \times$ 170 cm\\\\h_i =18.89 cm\)

The height of the image formed is 18.89cm.