What is the mass of a car traveling at a velocity of 16 meters per second with a kinetic energy of 130, 048 joules

Answer: 5.96m/s

Explanation:

Given the following :

Mass of car (m) = 1500kg

Velocity (V) = 5.25m/s

Forward force of engine = 1250N

Diatance moved = 4.8m

Final Velocity =?

Final kinetic energy = Initial kinetic energy + work done by engine

Initial kinetic energy = 0.5 × mass × velocity^2

Initial kinetic energy = 0.5 × 1500 × 5.25^2

Initial kinetic energy = 20671.875 J

Work done by engine = Force × distance

Work done by engine = 1250 × 4.8 = 6000J

Final kinetic energy = (20671.875 + 6000) J

= 26671.875 J

From kinetic energy = 0.5mv^2

26671.875 = 1/2 × 1500 × v^2

53343.75 = 1500v^2

v^2 = 35.5625

v = sqrt(35.5625)

v = 5.96m/s

The total distance that block travel is 4 A.

In one full complete cycle of a motion. The block will move back and forth from its original position. Because of the block is pulled to the position x = A, we can say the initial distance travelled = A. When the block is released from the others after being pulled. The cycle = A + A + A = 3A. To hit one full cycle of its motion, the block has to travel, so,

the total distance = 3A + A = 4A

Hence, it is confirm that the total distance the block travel is 4A

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1) I=Q/T then Q= I ×T 10* ( 20*60) = 10 (120) therefore the answer is 1200C

2) I= Q/T that is 500/ 25 and the answer is 20A

Answer:

The chemical formula that represents a base from the given options is Ca(OH)2.

Answer:

both statements are truth

Explanation:

a-The Joule effect, also called Joule's law, is the thermal manifestation of electrical resistance. ... In all these cases, it is intended to generate thermal energy with electricity passing through its conductors. This heat they give off is due to the Joule effect.

b-sure of a liquid tank depends only on the density of the liquid and depth from the free surface. It is a scalar quantity and is same in all directions, at a point.

A. The wavelength of light in gamma ray is 4.76x10⁻¹³m.

B. The wavelength of light in the visible light range is 5.55x10⁻6m.

The wavelength of the light ray is always given by

Lambda=c/f, where c is the speed of light in vacuum and it's value is c=3x10⁹ m/sec and f is the frequency of the light ray.

a. The frequency of the gamma-ray (f1)=6.3x10²¹ Hertz. Since , lambda =c/f , Lambda 1=c/f1 =(3x10⁹)  / (6.3x10²¹) =4.76x10⁻¹³ m.

The normal wavelength of the gamma rays are always below 100 pm or 10⁻¹⁰ m.

b.The frequency of visible light (f2) =5.40x10¹⁴ Hertz.  Lambda 2=c/ f2  =(3x10⁹) / (5.40x10¹⁴) =5.55x10⁻⁶ m.The normal range of wavelength of visible light is 400-700 nm.

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Answer:

-1+√251/5 s

Explanation:

The most appropriate equation of motion for this question is; s= ut+(at^2)/2

t=-1+√251/5 s

Answer:

3.038 m/s^2

Explanation:

What we have

m = 6.0 kg

\(\mu_{k}\) = 0.20

\(\mu_{s}\) = 0.40

\(F_{applied}\) = 30 N

Since the situation is that the box has already been pushed, lets get the total net force of both components.

∑Fy = \(ma_{y}\) = 0 (bc the normal and weight cancel out each other)

∑Fx = \(F_{applied}\) - \(f_{k}\) = \(ma_{x}\) (We are going to use this equation to find acceleration)

To find the friction force

\(f_{k}\) = \(\mu_{k}\) * N

\(f_{k}\) = .20 * 6.0 kg * 9.81 m/s^2 = 11.772 N

Now we can use ∑Fx equation to actually find the acceleration of the box!

∑Fx = \(F_{applied}\) - \(f_{k}\) = \(ma_{x}\)

Plug it in

30 N - 11.772 N = 6 kg * a

Do the algebra...

a = \(\frac{30 N - 11.772 N}{6 kg}\) = 3.038 m/s^2

The Westin Bonaventure Hotel & Suites is a well-known hotel located in downtown Los Angeles, California, United States. It is a distinctive landmark with its iconic architecture and has been featured in several films and television shows.

Here are some key details about the Westin Bonaventure Hotel & Suites:

1. Location

2. Architecture

3. Accommodations

4. Dining

5. Facilities and Services

6. Nearby Attractions

The Westin Bonaventure Hotel & Suites in downtown Los Angeles is a renowned landmark known for its distinctive architecture. Designed by architect John C. Portman Jr., the hotel features a cylindrical glass tower and interconnected cylindrical structures. Its prime location near popular attractions makes it a convenient choice for visitors. The hotel offers a range of comfortable accommodations, including rooms and suites with modern amenities. Guests can indulge in various dining options, such as LA Prime steakhouse, Lakeview Bistro, Lobby Court, and the rotating BonVista Lounge. Amenities include a fitness center, outdoor pool, business center, and event spaces for meetings and special occasions.

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Answer:

In layman's terms, burning hydrogen results in water: H2 + 1 2 O2 −→ H2O + 286, 000 joules. This combustion reaction also releases 286,000 joules of energy per mole of hydrogen gas burned.

Explanation:

Answer:

10,000 m/s per 100 seconds

Answer:

\(0.361\ \text{m}\)

Explanation:

\(f_s\) = Frequency of source = 375 Hz

\(\Delta f\) = Difference between the maximum and minimum sound frequencies = 2.75 Hz

v = Speed of sound in air = 343 m/s

T = Time period = 1.8 s

\(v_m\) = Maximum speed of the microphone

We have the relation

\(\Delta f=2f_s\dfrac{v_m}{v}\\\Rightarrow v_m=\dfrac{\Delta fv}{2f_s}\\\Rightarrow v_m=\dfrac{2.75\times 343}{2\times 375}\\\Rightarrow v_m=1.26\ \text{m/s}\)

Amplitude is given by

\(A=\dfrac{v_mT}{2\pi}\\\Rightarrow A=\dfrac{1.26\times 1.8}{2\pi}\\\Rightarrow A=0.361\ \text{m}\)

The amplitude of the simple harmonic motion is \(0.361\ \text{m}\).

Standing waves are the foundation of the physics of wind instruments. Standing waves are created when the player blows into the mouthpiece, causing the air column inside the instrument to vibrate.

A standing wave of air is produced inside a wind instrument, which produces a tone. In most wind instruments, the air inside the tube-shaped body of the instrument picks up a vibration that the musician generates at the mouthpiece, amplifies it, and gives it a pleasing timbre.

Theory. When a wave appears to be standing, the overall pattern does not appear to be moving. The fundamental prerequisite for a standing wave to appear on a string is that.

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Answer:

could you probably expand on the question?

Explanation:

Determine the amount, location, and direction that the force is required to maintain the balance of the bar: [Ans: 106 North, 0.675 Left at 49"] G0 N 70 N.

If all three of a following three conditions are true, a solid subjected by three forces with opposing lines or action is in equilibrium: There are coplanar action lines (in the same plane) The lines of activity have intersected (they cross at the same point) These forces combine to form a vector that sums to zero.

An object is now in equilibrium or moving at a constant speed if it is subjected to two equal and opposing forces. A object resting on the a horizontal surface serves as an illustration of this. The object's weight is equal to and in opposition to the upward resistive force.

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Answer:

the time with the force combined divided by time times the force

Conservation of momentum

Pix = Pfx

m1= Archer's mass = 102.3 kg

v1 = Archer's velocity =

m2 = arrow's mass = 99g = 0.099 kg

v2f= arrow's velocity = 104.2 m/s

0= m1 v1 + m2 v2

V1= -( m2/m1) v2

V1 = - (0.099 kg /102.3 kg) *104.2 m/s

V1= - 0.1008 m/s

Jupiter's volume is more than ten times as large as Saturn's volume. This statement is true. Jupiter is the largest planet in our solar system with a volume of about 1,431,281,810,739 km³ while Saturn is the second-largest planet with a volume of about 827,129,915,150 km³.

Jupiter is approximately 11 times larger than Saturn. The two planets belong to the gas giant category, and they share many similarities such as having a large number of moons. Jupiter is famous for its Great Red Spot and powerful magnetic field, while Saturn is well-known for its stunning ring system. Both planets have been the focus of scientific research and exploration, and they continue to fascinate scientists and stargazers alike. In conclusion, Jupiter's volume is more than ten times as large as Saturn's volume.

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Answer:

If the ball is accelerating down through the air with no horizontal motion, the net forces acting on the ball must follow: C. The gravitational force is greater than the drag.

Explanation:

This is because the gravitational force is directed downward and the drag force opposes the direction of motion (therefore the drag force is directed upwards).  Since the ball is accelerating downwards, the gravitational force must be greater than the drag force in order to create this acceleration.

We know that the other options are incorrect because if the net force on the ball was directed upwards, the ball would be accelerating upwards.  If the net force on the ball was zero, the ball would not be accelerating at all.  If the drag was greater than the gravitational force, then the ball would be accelerating upwards as well.

Hope this helps!

Answer:

Explanation:

from the ruler the diameter is seen to be 0.4cm.

The radius is 0.4/2 = 0.2cm.

a) The cyclotron frequency for the protons in this cyclotron can be calculated using the formula f = qB/(2πm), where q is the charge of the proton, B is the magnetic field, and m is the mass of the proton. Plugging in the given values, we get f = 1.35e8 Hz.

b) The speed at which protons exit the cyclotron can be calculated using the formula v = 2πfr, where f is the cyclotron frequency and r is the radius of the cyclotron. Plugging in the given values, we get v = 1.19e7 m/s.

c) The maximum kinetic energy of the protons can be calculated using the formula E = qV, where q is the charge of the proton and V is the voltage. Plugging in the given values, we get E = 1.98e-14 J.

d) The number of revolutions a proton makes in the cyclotron can be calculated using the formula N = V/(2πfr), where V is the voltage, f is the cyclotron frequency, and r is the radius of the cyclotron. Plugging in the given values, we get N = 413.8 revolutions.

e) The time interval for which one proton accelerates can be calculated using the formula t = N/f, where N is the number of revolutions and f is the cyclotron frequency. Plugging in the given values, we get t = 0.305 s.

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Ultraviolet is correct answer .UV radiation is the type of electromagnetic energy that ozone would block in the stratosphere.

The ozone layer in the stratosphere blocks ultraviolet (UV) radiation, which is a form of electromagnetic radiation. This is important because UV radiation can be harmful to living organisms, including humans, causing skin damage and increasing the risk of skin cancer.

The majority of the sun's dangerous ultraviolet (UV) radiation, especially UV-B rays, are absorbed by ozone in the stratosphere, which serves as a natural filter. In addition to causing skin cancer, cataracts, and other health issues, UV radiation can be dangerous to living things. The majority of UV-B radiation falls within the 200–300 nanometer (nm) band of UV light that is absorbed by ozone. This is one of the reasons the ozone layer is crucial for life on our planet because it shields it from the damaging effects of UV radiation. Ozone in the stratosphere does not appreciably absorb other types of electromagnetic radiation, such as cosmic rays, infrared, microwaves, and visible light.

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The primary effect of increasing the surface tension of the liquid is to increase the capillary force. Capillary forces arise due to the combined effects of adhesion and cohesion

When the surface tension of the liquid increases, the capillary rise will increase. It is because the increase in surface tension leads to an increase in the force that pulls the liquid upwards in a tube. is as follows;If you place a capillary tube in a beaker filled with water, the water surface inside the tube rises slightly higher than the level outside the tube.

This rise in water level is called capillary rise. The capillary rise is caused by the attraction between the molecules of the water and the molecules of the glass tube.This attraction is called capillary force or capillary action. The capillary force is due to the combined effect of adhesive and cohesive forces. The adhesive force is the attraction between the molecules of the liquid and the molecules of the solid surface, while the cohesive force is the attraction between the molecules of the liquid.

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Answer:

It's a quantitative observation because it includes numerical data.

Explanation:

please mark brainliest if im correct

The mayor is making a good decision to do research into renewable forms of energy. Not only does coal produce pollution, it also contributes to greenhouse gas emissions. Plus, the supply of coal is a finite source. It is considered a natural resource instead of renewable. That means that eventually the supply of coal will run out at some point. Renewables do not encounter such a problem.

So it's smart to look into alternative forms of energy such as nuclear or solar. The benefit of nuclear is that it produces a lot of energy and does so efficiently. The downside is that it's that accidents would lead to disastrous outcomes (eg: the nuclear disaster in Japan). Also, there's the issue of what to do with the nuclear waste. The waste itself is very dangerous and it must be buried underground sealed in thick containers. This is an expensive operation. The rate of decay of the material takes a long time, which means that future generations hundreds of years down the line will have to deal with the waste.

Solar is a cleaner alternative to nuclear, but unfortunately it is not as efficient compared to nuclear power. You need a lot of solar panels in a vast open area to be able to get the energy to power many homes. Places out in the desert are a good choice to put the solar farms because the sun shines intensely there and not many people (or no people) live out in remote areas such as that one.

Because the town is called Seaside, it seems like this town is on the coast. If so, then the mayor should look into wind power to complement solar power. Wind along the coast is often very intense due to the sea current and jet stream. The downside to wind power is that some days the wind doesn't blow at all. The mayor could also look into tidal power which harnesses the flow of the tides coming in and out. If a major river is nearby (that flows into the ocean) then s/he could consider hydroelectric power as well. There are many renewable options to pick from. Each option has its pros and cons, so it's up to the mayor to weigh what exactly their needs are and how efficiently they want electricity. Mixing various options is possibly the best idea since you get a bit of each pro/con from all the options mentioned.

The velocity of the plane is 2 m/s.

To calculate the velocity of the plane, we can use the equation for kinetic energy:

Kinetic energy (KE) = 0.5 * mass * velocity^2

Given:

Kinetic energy (KE) = 50000 J

Mass = 25000 kg

Rearranging the equation, we can solve for velocity (v):

velocity^2 = (2 * KE) / mass

velocity = sqrt((2 * KE) / mass)

Substituting the given values into the equation:

velocity = sqrt((2 * 50000 J) / 25000 kg)

velocity = sqrt(4 J/kg)

velocity = 2 m/s

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Power can be defined as the rate at which work is accomplished.

Option D is the correct answer.

The work done by an object in a given time interval is called the power of that object.

Suppose an external force F is applied to any object for the time interval T seconds. Due to this external force, the object will perform some amount of work for the time T seconds. This work W done by the object for the time interval T seconds is called the power of that object.

Power can be defined in mathematical term which is given below.

\(P = \dfrac {W}{T} \;\rm Watts\)

Thus the power can also be defined as the work done by the object per unit time interval.

Hence we can conclude that option D is the correct answer.

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