If the boat is on the crest of a wave, how much time will elapse until the boat is next on a crest?.

Answer:

Is radiation of sufficient energy to produce ions.

Is radiation of sufficient energy to remove electrons from atoms.

Explanation:

Ionization radiation is a radiation that travels at a high speed, and possesses sufficient speed to knock electrons off of an atom or a molecule, ionizing the atom. Ionization radiation can be made of travelling subatomic particles, or an electromagnetic wave with high energy, usually the types found at the end of the electromagnetic spectrum. Some subatomic particles that produce ionization are alpha particle, beta particles, and neutron. The electromagnetic waves with ionization abilities includes Gamma rays. -rays, and high energy ultraviolet rays.

Answer:

1. Range = 153.42 m.

2. Maximum height = 54.78 m

3. Time of flight = 6.69 s

Explanation:

From the question given above, the following data were obtained:

Initial velocity (u) = 40 ms¯¹

Angle of projection (θ) = 55°

1. Determination of the range.

Initial velocity (u) = 40 ms¯¹

Angle of projection (θ) = 55°

Acceleration due to gravity (g) = 9.8 ms¯²

Range (R) =?

The range i.e how far the ball went can be obtained as follow:

R = u² Sine 2θ /g

R = 40² × Sine (2×55) / 9.8

R = 1600 × Sine 110 / 9.8

R = 1600 × 0.9397 /9.8

R = 153.42 m

2. Determination of the maximum height.

Initial velocity (u) = 40 ms¯¹

Angle of projection (θ) = 55°

Acceleration due to gravity (g) = 9.8 ms¯²

Maximum height (H) =?

H = u² Sine² θ / 2g

H = 40² × (Sine 55)² / 2 × 9.8

H = 1600 × (0.8192) ² / 19.6

H = 54.78 m

3. Determination of the time of flight

Initial velocity (u) = 40 ms¯¹

Angle of projection (θ) = 55°

Acceleration due to gravity (g) = 9.8 ms¯²

Time of flight (T) =?

T = 2u Sine θ / g

T = 2 × 40 × Sine 55 / 9.8

T = 80 × 0.8192 / 9.8

T = 6.69 s

Answer:

Volcanoes on Earth form from rising magma. ... Magma also rises when these tectonic plates move toward each other. When this happens, part of Earth's crust can be forced deep into its interior. The high heat and pressure cause the crust to melt and rise as magma.

Answer:

Would it be starting point?

Explanation:

When you start a sport or something, you may not be good or bad at it. However, as time goes on you are going to improve.

Idk if this helps or not buh yeah

Answer:

the answer is semidiurnal

Answer:

I think it is semi-diurnal :)

Hope this helps!!

Have a great day!!

Please rate and mark brainliest!!

Answer:

सं देश भर भर में नौ महिना अघिदेखि महिना अघिदेखि नै जातीय आधारमा प्रान्त पुगें र नेपाली जनताको लागि फरक छ तर त्यो पनि पाँचै वर्षमा धरासायी भयो पाँचै वर्षमा धरासायी भयो भने हेर्न त्यो पनि हो र स्वार्थी हुन्छ भन्थे यो मेरो पहिलो मृत्यु भएको हो। छ। यो म भने त्यो प्रेम कति

Harrison is incorrect because particles can force each other to vibrate more easily in elastic materials where particles are closer together. So, option A.

Vibration is a periodic back-and-forth motion of the particles in an elastic body or medium.

Here,

Vibrations occurs when practically any physical system is moved out of its equilibrium condition and is left to react to forces that work to bring it back into equilibrium.

A periodic shift in time is referred to as a vibration. A wave is a regular oscillation in both space and time. The waves propagate from one point to another in a medium.

Most waves travel through different media, and this affects how fast they move.

In general, waves go through solids the quickest and gases the slowest. The reason for this is that while particles in a gas are farthest to one another, those in a solid are closer to one another.

Hence,

Harrison is incorrect because particles can force each other to vibrate more easily in elastic materials where particles are closer together. So, option A.

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Answer:

C. Chemical-> mechanical-> thermal

Explanation:

The energy conversion for the propane, that is, energy transformations that occur when propane gas is used to lift the balloon will be:

Chemical energy converting to mechanical energy which later converted to thermal energy

The correct option is therefore Chemical-> mechanical-> thermal which is option C

Answer:

1 millimetre, 1 centimeter, 1 meter, 1 kilometer

Hope it helped u if yes mark me BRAINLIEST

Answer:

8) Heat energy is the form energy that is transferred from one object to another with different temperatures. Sun is the source of heat energy.

The impulse response of the LTI system is h(t) = u(t).Let's find the output for the given input and impulse response using the integral definition of the convolution, given as follows:x(t) h(t) = ∫x(τ)h(t-τ)dτWe have to consider two cases when t < 0 and t ≥ 0.

Case 1:

Case 2:

we can evaluate the integral:

In signal processing and control theory, the impulse response, or impulse response function, of a dynamic system is its output when presented with a brief input signal, called an impulse. More generally, the impulse response is the reaction of any dynamic system in response to some external change.

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The time taken for the passenger jet to move from 5 km/h to 460 km/h on the run way during the take off is 10.03 s

From the question given above, the following data were obtained:

The time taken for the the passenger jet to move from 5 km/h to 460 km/h can be obtained as follow:

a = (v – u) / t

12.6  = (127.78 – 1.39) / t

12.6 = 126.39 / t

Cross multiply

12.6  × t = 126.39

Divide both sides by 12.6

t = 126.39 / 12.6

t = 10.03 s

Thus, we can conclude that the time taken is 10.03 s

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Answer:

D

Explanation:

the answer is D to me

the answer is D to me

Given:

The distance you pushed the lawnmower is d = 50 m

The constant force applied by you is F = 60 N

The distance pushed by Carl is d' = 80 m

The constant force applied by carl is F' = 48 N

The time duration is t = 20 s

Required: To determine who generated power.

Explanation:

In order to determine who generated more power, first we need to calculate power.

The power can be calculated by the formula

Power generated by you will be

Power generated by Carl will be

The power generated by Carl is greater than the power generated by you.

Final Answer: Carl generated more power.

Central venous pressure is blood pressure in the venae cavae, close to the right atrium of the heart.

The blood pressure in the venae cavae, close to the right atrium of the heart, is known as central venous pressure (CVP). The CVP measures both the volume of blood returning to the heart and the heart's capacity to pump blood back into the arteries.

Since there might occasionally be a pressure difference between the venae cavae and the right atrium, CVP is frequently a good approximation of right atrial pressure (RAP), despite the fact that the two terms are not interchangeable. When artery tone is altered, CVP and RAP can be different.

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The student's conclusion is correct, and it is supported by both the data in Figure 12 and the formula for calculating the total resistance of resistors in parallel.

The student's conclusion is correct because when resistors are connected in parallel, the total resistance decreases as the number of resistors increases. This is because the current has multiple pathways to flow through, which reduces the overall resistance.

If we examine Figure 12, we can see that as the number of resistors in parallel increases, the mean total resistance decreases. For example, when there are two resistors in parallel, the mean total resistance is around 50 ohms, whereas when there are ten resistors in parallel, the mean total resistance is around 10 ohms.

To further support the student's conclusion, we can use the formula for calculating the total resistance of resistors in parallel:

1/RT = 1/R1 + 1/R2 + 1/R3 + ... + 1/Rn

where RT is the total resistance, R1, R2, R3, and Rn are the resistance values of each individual resistor in parallel.

From this equation, we can see that as the number of resistors in parallel (n) increases, the sum of the inverse resistance values (1/R1 + 1/R2 + 1/R3 + ... + 1/Rn) also increases. As a result, the total resistance (RT) decreases, which supports the student's conclusion that the number of resistors in parallel is inversely proportional to the mean total resistance.

Therefore, the student's conclusion is correct, and it is supported by both the data in Figure 12 and the formula for calculating the total resistance of resistors in parallel.

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Hi there!

Recall that:

GPE = mgh

KE = 1/2mv²

At the TOP of an object's trajectory, the GPE is at a maximum. There is NO kinetic energy at this moment.

At the bottom of the fall, the KINETIC energy is at a maximum while the GPE is a minimum (assuming the ground to be the zero-line.)

We can write this out:

GPE = KE

mgh = 1/2mv²

A.

There is an 'm' on both sides, so you can divide both sides by 'm':

(mgh)/m = 1/2mv²/m

gh = 1/2v²

B.

Solve for v.

gh = 1/2v²

Multiply both sides by 2:

2gh = v²

Take the square root:

v = √2gh

C.

We can use the equation:

v = √2gh

g = acceleration due to gravity (9.8 m/s²)

h = length of fall (3.67 m)

v = velocity (m/s)

Plug in the knowns:

v = √2(9.8)(3.67) = 8.48 m/s

The speed of the dart when it hits the floor is approximately: 7.98 m/s.

The dart gun uses the potential energy stored in the compressed spring to shoot the dart.

This energy is converted into kinetic energy of the dart. The potential energy stored in the spring is given by the formula
U = 1/2 kx^2,
where k is the spring constant, and
|x is the distance the spring is compressed.

The potential energy stored in the spring is equal to the kinetic energy of the dart when it leaves the gun. Therefore, we can write:

1/2 kx^2 = 1/2 mv^2
where m is the mass of the dart, and
v is the velocity of the dart when it leaves the gun.

Solving for m, we get:
m = kx^2 / v^2

Now, we can use conservation of energy to determine the velocity of the dart when it hits the ground. The total mechanical energy of the dart-spring system is conserved, so:
PE + KE = PE' + KE'
where PE is the potential energy of the dart-spring system when the spring is compressed,
KE is the kinetic energy of the dart when it leaves the gun,
PE' is the potential energy of the dart when it hits the ground, and
KE' is the kinetic energy of the dart when it hits the ground.

The potential energy of the dart when it hits the ground is zero, and the only force acting on the dart is gravity. Therefore, we can write:

PE + KE = KE' + mgh

where h is the initial height of the dart.

Substituting the expressions for PE and m, we get:

1/2 kx^2 + 1/2 mv^2 = 1/2 mvf^2 + mgh

where vf is the final velocity of the dart when it hits the ground.

Solving for vf, we get:

vf = sqrt(v^2 + 2gh - (kx^2/m))

Substituting the given values, we get:

vf = sqrt(5.5^2 + 2*9.81*2 - (11*0.01^2/0.005))

vf ≈ 7.98 m/s

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Answer:

no the earth gravitational force field

Answer:

yes, it acts on everything within the earth

Explanation:

Answer:

40g

Explanation:

Solubility of Copper sulfate at 90°=60g

Solubility of potassium bromide at 90°=100g

100g-60g=40g

The given statement "the sun’s right ascension reaches its maximum in the summer solstice." is False. Because, the right ascension of the Sun does not reach its maximum during the summer solstice.

Right ascension is a celestial coordinate similar to longitude, which measures the eastward position of an object in the sky. The right ascension of the Sun is constantly changing throughout the year due to the Earth's orbit around the Sun. During the summer solstice, the Sun reaches its highest point in the sky in the Northern Hemisphere, which corresponds to its maximum declination. However, the right ascension is not directly related to the solstice and does not reach its maximum during that time.

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The number of significant figures in the calculation for the perimeter should match the least number of significant figures among the measurements, which is 2. Therefore, the calculation for the perimeter should be reported with 2 significant figures.

When performing calculations, it is important to consider the rules of significant figures. The rule states that the result of a calculation should be rounded to match the least number of significant figures in the given measurements.

In the given measurements, the least number of significant figures is 2, which is found in Side 3 (2.000 m). Therefore, when calculating the perimeter of the seven-sided figure, the result should be rounded to 2 significant figures.

For example, if the calculated perimeter is 41.756 meters, it should be rounded to 42 meters since 2 is the least number of significant figures. This ensures that the result aligns with the precision of the measurements provided.

By adhering to the rules of significant figures, we can maintain consistency and accuracy in our calculations and ensure that the level of precision is appropriate for the given data.

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Answer:

An example would be, “If I grow grass seeds under green light bulbs, then they will grow faster than plants growing under red light bulbs.” Experiment – The fun part!

Explanation:

have a nice day.

A lump of energy associated with light is called a photon. A photon is a fundamental particle of light and electromagnetic radiation. It is the quantum (smallest indivisible unit) of electromagnetic energy. Therefore, the correct answer is (a) photon

In physics, the term "quantum" refers to the discrete and indivisible nature of certain physical quantities, including energy. The concept of quantization was introduced by Max Planck in 1900 to explain the observed behavior of blackbody radiation.

Planck proposed that energy is emitted or absorbed in discrete packets, which he called "quanta" or "energy elements." These energy elements later became known as photons.

A photon carries a specific amount of energy proportional to the frequency of the light it represents. It behaves both as a particle and a wave, exhibiting characteristics of both. Photons can interact with matter, causing effects such as the photoelectric effect, where they can dislodge electrons from atoms. Therefore, the correct answer is (a) photon

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1) Change in the shape or volume of rocks is Deformation

2) Stress is the deforming force. Strain is the deformation.

Deformation is the term denoting a change in a rock's volume or shape. Geological processes including tectonic forces, compression, tension, and shearing are just a few that can cause it. Rocks may fold, fault, or fracture as a result of deformation, resulting in the production of geological features as mountains, valleys, and fault lines.

Stress is the term used to describe the internal pressure or force that external pressures apply to a material. It is the force acting on the substance per unit area. The distortion that takes place in a material when it is stressed is measured by strain.

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Answer:

Average speed I think it's correct

Answer:

3000 N

Explanation:

We have,

• Mass, m = 1000 kg

• Acceleration, a = 3 m/s²

We have to find force required, F.

\(\longrightarrow\) F = ma

\(\longrightarrow\) F = 1000 × 3 N

\(\longrightarrow\) F = 3000 N (Answer)

Answer:

rubber

Explanation: because its the only insulator

Answer: The answer is D all of these sorry if i am wrong

Explanation: