What happens to momentum when two objects collide

To summarize, if a ray of light is traveling in a glass cube immersed in water and strikes the glass-water interface at an angle greater than 51.9 degrees, no light is refracted into the water. Instead, it undergoes total internal reflection and remains in the glass.

When a ray of light travels from one medium to another, it can change direction. This phenomenon is called refraction. The angle at which the light ray strikes the boundary between the two media is called the angle of incidence. The angle between the incident ray and the normal (a line perpendicular to the boundary) is denoted as θ.
In this scenario, we have a glass cube completely surrounded by water. The incident ray of light is traveling in the glass cube and strikes the glass-water interface. If the angle of incidence is greater than 51.9 degrees (θ > 51.9°), no light is refracted into the water.
This happens because of the concept of total internal reflection. When the angle of incidence is larger than a critical angle (which is approximately 51.9 degrees for the glass-water interface), all of the light is reflected back into the glass. None of it enters the water.
To summarize, if a ray of light is traveling in a glass cube immersed in water and strikes the glass-water interface at an angle greater than 51.9 degrees, no light is refracted into the water. Instead, it undergoes total internal reflection and remains in the glass.

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The three kinematic equations provided by Newton explain or determine the acceleration of the stone after it departs the ramp.

The rate of velocity change concerning time is known as acceleration.

There are three kinematic equations used to find the acceleration depending upon the perameters;

1.

\(\rm v = u +at \\\\ a =\frac{v-u}{t}\)

2.

\(\rm S = ut + \frac{1}{2}at^2\)

3.

\(\rm v^2 = u^2 +2as \\\\ a = \frac{v^2-u^2}{2s}\)

The acceleration of the marble after it leaves the ramp is described or found by the three kinematic equations given by Newton.

Hence there are three kinematic equations to support your discussion.

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Answer:

in a plane flying above Earth

Explanation:

Gravity is the force that draws  objects toward center of the earth. If you throw an object up on the earth's surface, you will notice that it will fall back to the ground due to the earth's gravitational pull on the object.

However, the further one goes from the earth's surface, the lesser the gravitational pull. Therefore the cat will experience less gravitational pull in an airplane flying at a higher altitude.

Using the theories of electromagnetic radiations, we got that  4×\(10^{4}\)nm. is the  frequency of a photon of electromagnetic radiation for red light

We know very well that there is a relation between velocity of light, frequency and wavelength of light.

The relation is given by c=vλ where v is the frequency of light and λ is the wavelength of the light.

We are given for wavelength as 750nm or 750×\(10^{-9}\)m

We, know that speed of light is =3×\(10^{8}\)m/sec

So putting the values in formula, we get

=>3×\(10^{8}\)=v×750×  \(10^{-9}\)

=>v=(3/750)×\(10^{17}\)

=>v=0.004×\(10^{17}\)

=>v=4×\(10^{13}\)m or 4×\(10^{4}\)nm.

Hence, the frequency of a photon of electromagnetic radiation for red light(750nm) is 4×\(10^{4}\)nm.

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Answer:

I think positive...

.....

......

First, you need to find out the speed of 6x10^10. Then find out the value of 3x10^30 after you do that, Make this visual,

3x10^30. 5x10 to the 19 power

_______.

6x10^10

The answer is c

If the spaceship travels a distance of 6 × 10¹⁰ kilometers with an average speed the time taken to travel 3 × 10³⁰ kilometers is 5 × 10¹⁹ years. Thus, option a is correct.

Speed is a physical quantity associated with a moving body. It is the measure of distance travelled per unit  time . Thus, mathematically it is the ratio of distance to the time.

If we have the time and speed known we can find the distance travelled and vice versa. As the speed increases, the distance covered per unit time will be higher.

Here the spaceship travels  6 × 10¹⁰ kilometers . Thus the time taken to travel 3 × 10³⁰ kilometers can be calculated as follows:

1 year   -    6 × 10¹⁰ km

  ?           -  3 × 10³⁰ km

Cross multiply them we get, 3 × 10³⁰ km/  6 × 10¹⁰ km = 5 × 10¹⁹ years.Hence, option a is correct.

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Answer:

The direction of friction force is toards north.

Explanation:

A tool box is at rest on the back of a track. The truck is accelerating towards north.

As the frame of reference is acceleratinf so it is a non inertial frame  of reference.

Thus, teh toolkit experineces a pseudo force towards the south direction.

According to the question, the toolbox is at rest so the fiction force is balances by teh psheudoforce, and thus teh friction force is acting toards north.

Answer:

a = G M / R^2      acceleration due to gravity

aE /aP = (ME / RE^2) / (MP / RP^2) = (ME / MP) * (RP^2 / RE^2)

Since MP = 2 ME   and RP = 2 RE

aE / aP = 1/2 * 2^2 = 2

So the gravitational field strength of the planet is 1/2 that of the earth or 4.9 N/kg

B 10,000 - 30,000 K Blue-white stars

A 7,500 - 10,000 K White stars

F 6,000 - 7,500 K Yellow-white stars

G 5,000 - 6,000 K Yellow stars (like the Sun)

The lowest temperature stars are red while the hottest stars are blue. Astronomers are able to measure the temperatures of the surfaces of stars by comparing their spectra to the spectrum of a black body.

Answer:

\(T_f=24.71\)

Explanation:

From the question we are told that:

Mass of block \(m=50\)

Temperature of block \(T_b =140 \textdegree C\)

Volume of water \(V= 90L\)

Temperature of water \(T_w=10 \textdegree C\)

Density of water \(\rho=1000kg/m^3\)

Specific heat of water \(C_w=4.18KJ/kg-k\)

Specific heat of copper \(C_p=0.96KJ/kg-k\)

Generally the equation for equilibrium stage is mathematically given by

\(mC_p(T_b-T_f)=\rho*VV*c(T_f-T_w)\)

\(50*0.96(140-T_f)=1000*90*10^-3*c_w(T_f-10)\)

\(48(140-T_f)=376.2(T_f-10)\)

\(140-T_f=7.8375(T_f-10)\)

\(140-T_f=7.8375T_f-78.375\)

\(-8.8375T_f=-218.375\)

\(T_f=\frac{-218.375}{-8.8375}\)

\(T_f=\frac{-218.375}{-8.8375}\)

\(T_f=24.71\)

Answer:

18.3Ω

Explanation:

Resistance can be found using the formula:

Resistance = \(\frac{Voltage}{Current }\)

Voltage = 110 volts

Current = 6.0 amperes

∴ Resistance = \(\frac{110}{6}\)

= 18.3 Ω ( to nearest 3 significant figures)

third down, chris is correct

Answer:

How much is the mass of man?

Walt and Mary are my Customers at this point.

To construct proper client relationships you need to: greet clients and approach them in a way that is herbal and suits the character scenario. show customers that you recognize what their desires are. be given that a few humans may not want your merchandise and concentrate on constructing relationships with people who do.

Use the time period clients, with an apostrophe before the “s” to expose a possessive form for a single consumer. Use the time period clients', with an apostrophe after the “s” to show the possessive plural shape of a couple of patrons. Do now not use an apostrophe if there's no possessive indication needed.

The definition of a consumer is a person who buys services or products from a store, restaurant, or different retail vendor. An example of a patron is someone who is going to an electronics save and buys a tv. (Casual) a person, mainly one engaging in a few types of interaction with others.

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Answer:The noise from the airplanes is an example of noise pollution.

Explanation:

Answer:

The power of the car, the gear ratio, weight of the car, aerodynamics of the car, grip of the tires on the road, calorific value of the fuel used, and friction would affect the speed of the car.

Answer: Use the x/t = v formula!!! x is distance, t is time, and v is velocity. you just need to do 40 / 5 = 8 and 100 / 15 = 6.66

The output of an ideal frequency discriminator produced by s(t) is proportional to a(t)m(t) based on the given assumptions and neglecting small terms.

To show that the output of an ideal frequency discriminator produced by s(t) is proportional to a(t)m(t), we can use complex notation to represent the modulated wave s(t).

Let's express the modulated wave s(t) in complex form as S(t) = Re{A(t)e^(jϕ(t))}, where A(t) = a(t) and ϕ(t) = 2πfet + θ(t).

Here, A(t) represents the time-varying amplitude due to residual amplitude modulation, and ϕ(t) represents the instantaneous phase.

Now, let's differentiate the phase ϕ(t) with respect to time,

dϕ(t)/dt = 2πfe + dθ(t)/dt.

Since the amplitude modulation is slowly varying compared to (1), we can consider dθ(t)/dt as a small term compared to 2πfe. Therefore, we can neglect it in our analysis.

Now, the output of an ideal frequency discriminator is proportional to the derivative of the phase ϕ(t) with respect to time. So, the output can be expressed as,

Output ∝ dϕ(t)/dt ≈ 2πfe.

Since a(t) and m(t) are proportional to the amplitude and modulation components of the signal, respectively,

Output ∝ a(t)m(t).

Therefore, we have shown that the output of an ideal frequency discriminator produced by s(t) is proportional to a(t)m(t) based on the given assumptions and neglecting small terms.

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The magnitude of the total velocity of the package at the moment it is thrown as seen by an observer on the ground is D = 193m/s  15.2s = 2934 m.

What is velocity ?

velocity is the prime indicator of the position as well as the rapidity of the object

Sol-

1. 0.5gt^2 = 2010 m.

4.9t^2 = 2010.

t = 20.3 s. = Fall time.

D = Xot. = 193m/s 20.3s = 3909 m.

2. V=sqrt(Xo^2+Yo^2)=sqrt(193^2+58^2) = 202 m/s.

3. Vot + 0.5gt^2 = 2010 m.

58t + 4.9t^2 = 2010.

4.9t^2 + 58t - 2010 = 0.

Use the  quadratic formula we are get  

t = 15.2 s. = Fall time

D = 193m/s  15.2s = 2934 m.

D = 193m/s  15.2s = 2934 m.

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Answer:d

Explanation:

Physical property do these two elements most likely have in common They both D.conduct electricity very well

Iron is a metal specifically known as a transition metal. It fits the description of metals, as it is silvery gray, ductile, and malleable.

silicon is known as a chemical analogue to carbon. But unlike carbon, silicon a metalloid

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Jung believed there were two basic personality types: introverts and extraverts. Jung's theory of personality types is based on the idea that people have a dominant way of interacting with the world, either by focusing on their inner experiences (introversion) or by engaging with the external environment (extraversion).

Jung developed his theory of personality types after observing differences in how people process information and make decisions. He noticed that some individuals are more energized by their inner world of thoughts and feelings, while others are more energized by the external world of people and experiences.

Introverts tend to be more reflective, focusing on their thoughts and feelings, and may prefer solitary activities or spending time with a small group of close friends. They often need time alone to recharge their energy.

Extraverts, on the other hand, are more outgoing and seek stimulation from their surroundings. They are often more comfortable in social situations and may be seen as more expressive and talkative. Extraverts draw energy from interacting with others and are usually more at ease in larger groups.

Jung's theory of personality types emphasizes that neither introversion nor extraversion is superior to the other; instead, they represent different ways of relating to the world. By understanding these basic personality types, individuals can gain insight into their own preferences and behaviors, as well as those of others, to improve communication and relationships.

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Thermodynamics can be said to be a branch of Physics which involves the transfer of heat and other energy forms.

Thermal energy is the energy possesed by a system due to its temperature.

In thermodynamics, during the transfer of thermal energy, energy is wasted due to entryopy. And entropy is the measure of disorder of a system.

Therefore, in amy thermodynamic system that deals with the transfer of thermal energy, the most ideal state for that system is Entropy

ANSWER:

A. Entropy

Answer:

\(\boxed {\boxed {\sf A. \ 1000 \ Joules}}\)

Explanation:

Kinetic energy can be found using the following formula.

\(E_k=\frac{1}{2}mv^2\)

where m is the mass and v is the velocity.

The mass of the toy plane is 20 kilograms and the velocity is 10 meters per second.

\(m= 20 \ kg \\v= 10 \ m/s \\\)

Substitute the values into the formula.

\(E_k=\frac{1}{2}(20 \ kg) (10 \ m/s)^2\)

Solve the exponent first.

\(E_k=\frac{1}{2} (20 \ kg) (100 \ m^2/s^2)\)

Multiply the last two numbers together.

\(E_k= \frac{1}{2}(2000 \ kg*m^2/s^2)\)

Multiply by 1/2 or divide by 2.

\(E_k= 1000 \ kg*m^2/s^2\)

\(E_k= 1000 \ J\)

The kinetic energy of the toy plane is 1000 Joules

Answer:

The maximum payload would be 37,500 lbs.

Explanation:

To calculate the maximum payload, we need to determine the difference between the maximum zero fuel weight and the basic operating weight (BOW). The payload refers to the weight of the cargo, passengers, and any additional items carried by the aircraft.

Given information:

Basic Operating Weight (BOW): 100,500 lbs

Maximum Zero Fuel Weight: 138,000 lbs

Maximum Payload = Maximum Zero Fuel Weight - Basic Operating Weight

Maximum Payload = 138,000 lbs - 100,500 lbs

Maximum Payload = 37,500 lbs

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Answer: The sound will increase in pitch.

Explanation:

According to the Doppler Effect, sounds will increase in pitch as they are nearing the listener, and then decrease in pitch as the sound moves further away. This is because when sound waves travel a shorter distance, the waves are more compact (higher frequency), producing a higher pitch. The further a listener is from the sound, the lower the pitch because the sound waves are more spread apart (lower frequency).

Answer: stratosphere

The stratosphere is the second to last layer of atmosphere to the Earth. It is about 40,000 feet above, and this is the range where planes fly. So, the answer is stratosphere.

Hope this helps!

Answer:

stratosphere

Explanation:

Planes fly in the stratosphere of the atmosphere.

The answer to the question is stratosphere.

Okay? Thank you so much for 25 points.

The airplanes have the same effective cross sectional area and drag coefficient. Then, the ratio of drag force at the two densities is 2.3.

The drag force is an air resistance which resist the motion of objects passing through air. It is related to the density ρ, drag coefficient C, velocity v and area A as follows:

D = 1/2 ρCAv².

Here, C and A are the same then the ratio of the drag forces D1 and D2 at the two densities is:

D1/D2 = ρ1 v1²/ρ2 v2²

ρ1  = 0.38 kg/m³

ρ2 = 0.67 kg/m³

v1 = 1000 km/h

v2 = 500 km/h

Then the ratios of drag force is ;

D1/D2 =  0.38 kg/m³ × 1000 km/h / (0.67 kg/m³ × 500 km/h)

          = 2.3

Therefore, the ratio of drag force at the two densities is 2.3.

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Answer:

The work done by the 20 N force is 61.3 J

Explanation:

20 N Force at horizon is: F=20 N*cos 40=15.32 N

The work done by 20 N at horizon is: W=F*S=15.32 N* 4 m=61.3 J

Answer:

The work done by the 20 N force is 61.3 J

Explanation: