Two objects that are constrained to move in the xy-plane undergo a collision. Object 1 has mass 2. 5 kg and its initial momentum just before the collision has the x- and y-components 19. 6 kg⋅m/s and -5. 4 kg⋅m/s, respectively. Object 2 has mass 4. 7 kg and the x- and y-components of its initial momentum are 3. 9 kg⋅m/s and 6. 4 kg⋅m/s. Immediately after the collision the x- and y-components of object 1’s final momentum are 12. 2 kg⋅m/s and 4. 3 kg⋅m/s

Answer:

A. The target nucleus split into two nuclei, each with fewer nucleons than the original.

Explanation:

A-P-E-X

Answer:

The target nucleus split into two nuclei, each with fewer nucleons than the original.

Explanation:

Ap3x

Answer:

Spring tides occur when the moon is full or new. Earth, the moon, and the Sun are in a line. The moon’s gravity and the Sun’s gravity pull Earth’s crust and ocean water. This causes tides to be higher than normal.

At neap tide, the moon and the Sun are at right angles to each other. This happens during the first and third quarters of the lunar cycle. At neap tide, the Sun’s gravity and the moon’s gravity are balanced. High tides are lower; low tides are higher.

Based on the given sentences, let's sort them into the correct categories: radio waves, visible light waves, or both.

Radio waves:

- They're used to learn about dust and gas clouds.

Visible light waves:

- They have colors.

- They're used to find the temperature of stars.

Both radio waves and visible light waves:

- They can travel in a vacuum.

- They have energy.

- They're invisible.

Sorted table:

| Radio Waves          | Visible Light Waves  | Both                 |

|----------------------|----------------------|----------------------|

| They're used to learn about dust and gas clouds. | They have colors.     | They can travel in a vacuum. |

| -                      | They're used to find the temperature of stars. | They have energy.         |

| -                      | -                       | They're invisible.           |

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To be carbon neutral we need  to offset your remaining emissions, which can be done by making financial contributions to initiatives that reduce atmospheric concentrations of greenhouse gases.

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Answer:

Explanation:

whale speed = 8 m/s for 17 sec.

find distance traveled in km

distance = velocity x time

              = 8 m/sec. x 17 sec.

              = 136 meters  x        1   km      

                                           1000 meters

              =  0.136 km

Answer:

You can describe the motion of an object by its position, speed, direction, and acceleration. An object is moving if its position relative to a fixed point is changing. Even things that appear to be at rest move.

Explanation:

It is acceptable for an accessible plug & receptacle or a separable connector to act also as disconnecting means for appliances linked by a cord and plug.

Electrical receptacles are defined as specific sorts of sockets of outlets that offer a position in a system where a wire can be connected to supply electrical current. The electrical outlet that is most frequently found in houses, companies, or other sorts of structures is the most typical type.

receptacle that offers a location in a wire system whereby current can really be taken for run electrical appliances. Alternative words for outlets include wall plugs, wall sockets, and electrical outlets. types: powerpoint and point.

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Explanation:

u=54 km/h

54*5/18=15 m/s

v=0m/s

t=?

acceleration=-0.5m/s^2

we know that a=v-u/t

so,

t=v-u/a

t=15-0/0.5

=15/0.5

=30

therefore, the time is 30 second

Hope this answer helps you..

Answer:

it traveled 180km

Explanation:

Answer:

The answer is B, velocity.

Explanation:

Just took the quiz. Hope this helps! Please count as braniliest.

Answer:

The answer is velocity.

Explanation:

Remember velocity is the speed of something in a given direction.

and beside i just took the quiz ♡

The density of CO at 1140 torr and 75.0°C is 1.44 g/L.
.

To find the density of CO at 1140 torr and 75.0°C, we can use the ideal gas law equation:

PV = nRT

Where P is the pressure in torr, V is the volume in liters, n is the number of moles, R is the ideal gas constant (0.08206 L·atm/mol·K), and T is the temperature in Kelvin.

First, we need to convert the pressure from torr to atm:

1140 torr = 1.50 atm

Next, we need to convert the temperature from Celsius to Kelvin:

75.0°C + 273.15 = 348.15 K

Now, we can rearrange the ideal gas law equation to solve for the density:

n/V = P/RT

To find the density, we need to divide the number of moles (n) by the volume (V). We can assume that we have 1 mole of CO, so n = 1.

Substituting the values we have:

1/V = (1.50 atm)/(0.08206 L·atm/mol·K × 348.15 K)

1/V = 0.0516 L/mol

V = 19.36 L/mol

Now we have the volume, but we need to find the density. Density is mass per unit volume, so we need to find the mass of 1 mole of CO. The molar mass of CO is 28.01 g/mol.

Density = (28.01 g/mol) / (19.36 L/mol) = 1.44 g/L

Therefore, the density of CO at 1140 torr and 75.0°C is 1.44 g/L.

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.

The wavelength of the water wave can be calculated using the formula: wavelength = velocity / frequency. Plugging in the given values, we have: wavelength = 4.5 m/s / 25 Hz = 0.18 meters.

The wavelength of a wave is the distance between two corresponding points on the wave, such as two crests or two troughs. The formula to calculate wavelength is wavelength = velocity / frequency. In this case, the velocity of the water wave is given as 4.5 m/s, and the frequency is given as 25 Hz. By dividing the velocity by the frequency, we obtain the wavelength. Thus, the calculation becomes: 4.5 m/s / 25 Hz = 0.18 meters. Therefore, the wavelength of the water wave is 0.18 meters.

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Answer:

D. 0.010 m

Explanation:

wavelength \(\lambda\) =\(570 nm = 570 nm * (1 m / 10^9 nm) = 5.7 * 10^{-7}m\)

width(d)=\(0.0900 mm * (1 m / 1000 mm) = 9.00 * 10^{-5} m\)

distance(L)=0.800 m

The width of the central bright band is given by the equation:

\(w = \frac{2\lambda L}{d}\)

where \($\lambda$\) is the wavelength of light,\($L$\) is the distance from the slit to the screen, and \($d$\) is the width of the slit.

Substituting the given values, we get:

\(w = \frac{2(5.70 \times 10^{-7} \text{ m})(0.800 \text{ m})}{9.00 \times 10^{-5} \text{ m}} = 0.010 \text{ m}\)

Therefore, the width of the central bright band is\(\boxed{0.010 \text{ m}}\)

Answer:

60 m/s

Explanation:

acceleration: 1/2 m/s2

time: 2 minutes

there are 60 seconds in one minute so

60sec x 2 min = 120 sec

1/2 in decimal form is 0.5 so 0.5 x 120sec= 60m/s

After considering the given data we conclude that the mass of the black hole must be approximately \(8.9 * 10^{30} kg.\)


To calculate the mass of the black hole, we need to use the formula for gravitational acceleration:
\(a=\frac{GM}{r^2}\)
where (a) is the gravitational acceleration, (G) is the gravitational constant, (M) is the mass of the black hole, and (r) is the distance between the red giant and the black hole. Rearranging the formula, we get:
\(M=\frac{ar^2}{G}\)
Substituting the given values, we get:
\(M=\frac{(0.075\text{m/s}^2)(9.4\times 10^{10}\text{m})^2}{6.674\times 10^{-11}\text{Nm}^2/\text{kg}^2}=8.9\times 10^{30}\text{kg}\)
Therefore, the mass of the black hole must be approximately \(8.9 * 10^{30} kg.\)
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Answer:

The correct answer is true.

Answer:

0.07

Explanation:

2.8/40 = 0.07

Answer:

B

Explanation:

100km/2h = v

50km/h = v

Hope that helps

Answer:

50 km/h

Explanation:

Because if it traveled 100 km/h and took 2 hrs. then 50 km/h + 50 km/h = 100 km/h

please let me know if I was right. Have a good night :)

From the calculation, the mass of the dummies head is 1647.44 Kg

We know that the momentum after collision is equal to the momentum before collision.

Mass of the headrest = 2005.6 kg

Initial velocity of the head rest = 4.524 m/s

Final velocity of the head rest =  4.487 m/s

Mass of the dummy = m

Initial velocity of the dummy = -1.005 m/s

Final velocity of the dummy = 9.965 m/s

Then;

(m *  -1.005) + (2005.6 * 4.524 ) = (2005.6 *   4.487) + (m * 9.965)

-1.005m + 9073.33 = 8999.13 + 9.965m

9073.33 - 8999.13  = 9.965m + 1.005m

18072.46 = 10.97m

m = 18072.46/ 10.97

m = 1647.44 Kg

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Answer:

An electron moving in a circular orbit of radius r at a speed v is likely to have an area A enclosed by the electron's orbit is πr², where r is the radius of the orbit.

The magnetic moment of a loop of current is given by the product of the current flowing through the loop and the area of the loop:

μ = I*A

where μ is the magnetic moment, I is the current flowing through the loop, and A is the area of the loop.

we can consider the electron moving in the circular orbit as a loop of current. The current flowing through the loop is the charge of the electron (e) multiplied by its velocity (v):

I = e*v

The area of the loop is the same as the area,

The area A enclosed by the electron's orbit is given by the formula,

A = π r²

Therefore, the area A enclosed by the electron's orbit is πr².

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Answer:

Option C

Explanation:

Answer C is the correct option. water can be written as H₂O, which means that there are 2 Hydrogen atoms for every oxygen atom,  therefore it will occupy more space than oxygen and push more. there is also one more possibility, if the splitting takes place in Hoffman's Voltameter then the Hydrogen will be close to the cathode as hydrogen is positive. Otherwise, option C is correct answer. Hope this Helps you!

Explanation:

On a position vs time graph (x vs t), displacement is the difference in positions (Δx = x₂ − x₁).

On a velocity vs time graph (v vs t), displacement is the area under the graph (Δx = ∫ v dt).

The student can perform the following experiment: Measure the height of a table from the floor. Drop the ball from a known height and measure the height to which it bounces back. Repeat the process. Measure the speed of the ball just before it hits the surface. Plot the speed of the ball before and after. Compare the pre-collision and post-collision speeds of the ball.

If the collisions are perfectly elastic, the pre-collision and post-collision speeds should be equal. However, if the hypothesis is correct, the deviation from being perfectly elastic should increase with collision speed.

An elastic collision is a type of collision in which the total energy of the two colliding objects remains constant.

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Answer:

The team's model is incorrect because they provide the same materials to build the same product.

Explanation:

The fundamental and the structural unit of the hereditary that codes for certain information and proteins required for signalling and cell functioning are called a gene.

The bridge model is correct.

Gene codes for various proteins required by the cell to function and regulate, a mutation or change in the sequence of the region will result in the modification of the proteins coded and hence the genotype and the phenotype will alter.

In the building model if a gene is mutated and the proteins get altered then the whole sequence and the information for which it is coding will modify.

Therefore, gene mutation will affect the proteins.

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Answer:

The system software is a collection of programs designed to operate, control, and extend the processing capabilities of the computer itself. System software serves, the interface between the hardware and the end users. Some examples of system software are Operating System, Compilers, Interpreter, Assemblers.

Explanation:

A computer software is a collection of computer programs that provides instructions for a computer on what to do and how to do it. There are two types of software:

1. System Software       2. Application software

1. System software controls the various operations performed by the computer hardware. It helps the user operate the computer system.

2. An application software is used to perform operations for a specific task.

Explanation:

Minimum force means that the force should be applied at a 90° angle from the wrench.

40.0Nm / (0.30m) = 133.33N.

The mimumum force is 133.33N.

Answer:

800 joules

Explanation:

In physics, work is defined as

F = W x d (change)

Where  is the word done,  is the force that move the object and  is the change of the position of the object.

In this case, we have

F = 200 N

d= 6m - 2m = 4m , remember that the difference refers to the actual subtraction between the final point and the initial point of the object.

Replacing these values, we have

W = 200 N x 4m

W = 800 joules

Answer:

0.00111111

Explanation:

I'm not sure completely, but if velocity over time (0.2/180) should equal to 0.00111111. Since the solution is velocity final minus initial velocity, it should equal to 10-9.8=0.2 which then you should divide it by the seconds. I hope this gives you some sort of help!