a 0.250-kg ice puck, moving east with a speed of 5.22 m/s , has a head-on collision with a 0.900-kg puck initially at rest. assume that the collision is perfectly elastic.

Answer:

17.5 m/s

Explanation:

We can calculate the meters per second by dividing the distance by time. 3500 divided by 200 is 17.5, therefore the speed is 17.5 meters per second.

Answer:

v = 20.31 m/s

Explanation:

p = mv -> v = p/m = 32,500 kg*m/s / 1,600 kg = 20.31 m/s

Answer:

The tin fork and knife, the copper coin, and the steel fence pole.

Explanation:

Those are both what people would call soft metals so they are malleable to the extent of probably not needing heavy duty equipment. It depends on you description of malleable because the steel fence pole could be malleable with the correct equipment and not snap in half if bent slowly enough.

The definition of malleable: (of a metal or other material) able to be hammered or pressed permanently out of shape without breaking or cracking.

But the glass table, marble sculpture and antique ceramic vase are nowhere near malleable because if you tried bending them they wouldn't bend but would shatter and break into pieces.

The tin fork and knife, the copper coin, and the steel fence pole are malleable, the correct option is A, C, and F.

A malleable material is one that can be easily formed into a thin sheet by hammering. The most malleable metal is gold. In contrast, ductility is a solid material's ability to deform under tensile stress.

Metals are malleable because when a force is applied, layers of ions can slide over each other. Metallic bonding allows metal to change shape without breaking.

Gold, iron, aluminum, copper, silver, and lead are examples of malleable metals. Ductility and malleability do not always correlate; for example, gold is both ductile and malleable, whereas lead is only malleable.

Tin fork and knife, copper coin, and steel fence pole are all malleable.

Thus, the correct options are A, C, and F.

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The distance traveled by the box along the ramp is 0.51 m.

Apply the principle of conservation of energy;

Potential energy of the box at top of incline = Elastic potential energy at bottom

mgh = ¹/₂kx²

where;

h = L sinθ

where;

mg(L sinθ) = ¹/₂kx²

(18)(9.8)(L sin25) = ¹/₂(740)(0.32)²

74.55 L = 37.89

L = 37.89 / 74.55

L = 0.51 m

Thus, the distance traveled by the box along the ramp is 0.51 m.

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The primary issue with performing this experiment in the absence of gravity on the International Space Station (ISS) is the lack of a consistent downward force or orientation. In the original experiment on Earth, the vial containing the sample was elevated above the magnet, ensuring that the sample did not touch the balance or the magnet. However, in microgravity conditions, there is no fixed "up" or "down" direction, and objects can freely float and move in any direction.

To compensate for the absence of gravity, the experiment can be modified as follows:

Secure the vial and the magnet: Instead of relying on gravity to keep the vial and magnet in place, they should be secured using a suitable mechanism. This can be achieved by attaching them to a stable apparatus or using clamps that can hold them in position.

Controlling the distance between the vial and the magnet: Instead of elevating the vial above the magnet, a fixed and controlled distance should be maintained between the vial and the magnet. This can be achieved by using a mechanical setup or a device with adjustable arms to keep the vial at a consistent height.

Measuring the magnetic interaction: Rather than relying on the apparent mass change on the balance, a different method should be employed to measure the magnetic interaction between the sample and the magnet. One approach could be using a magnetic field sensor or a Hall effect sensor to directly measure the magnetic field strength or changes in the magnetic field caused by the sample.

Data analysis and interpretation: The recorded measurements and data should be analyzed differently since the concept of apparent mass may not be applicable in microgravity. The focus should be on quantifying the strength of the magnetic interaction between the sample and the magnet using the measured magnetic field values or changes.

By implementing these modifications, the experiment can be adapted to account for the absence of gravity on the International Space Station, allowing for accurate measurements and analysis of the magnetic properties of the samples. And yes, if needed, duct tape can be used to secure the apparatus in place in the microgravity environment.

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Answer: Block A - 19.3

Block B - 0.64

Block C - 0.70

Block D - 0.917

Block E - 3.53

Explanation: i hope this helps you a little

A) Work involves force and distance while power involves force and velocity

Hope this helps

The spring constant is calculated by dividing the force required to stretch or compress a spring by the lengthening or shortening of the spring.

Thus, It is used to identify whether a spring is stable or unstable, and consequently, what system it should be employed in.

It is stated mathematically as k = - F/x, which reworks Hooke's Law. Where x is the displacement caused by the spring in N/m, F is the force applied over x, and k is the spring constant.

Only in the range where the force and displacement are proportionate does Hooke's law adequately explain the linear elastic deformation of materials. Whatever the mass, a spring's elasticity will revert to its initial shape once the external force is eliminated. A characteristic is the spring constant.

Thus, The spring constant is calculated by dividing the force required to stretch or compress a spring by the lengthening or shortening of the spring.

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Explanation:

please mark as brainliest answer

The smallest possible angle that the path of the plane could make with the ground is 18.9 degrees.

We are given that the plane travels a distance of 57 km to 62 km during take off, and that it reaches a height of 10 km. We want to find the smallest possible angle that the path of the plane could make with the ground.

The smallest possible angle will occur when the plane travels the maximum distance of 62 km..

To calculate the angle, we can use the following formula:

sin(theta) = opposite / hypotenuse

sin(theta) = 10 / 62

theta = sin⁻¹(10/62) = 18.9 degrees

As a result, the least conceivable angle that the plane's path might create with the ground is 18.9 degrees.

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Answer:

(you can use my exact words) The length and thickness would make it so that the electrons move differently than they would a shorter and thinner wire because with the wire being longer the electrons would have a longer trip and with the wire being thicker the electrons would be more spread out and move be able to move more freely

The maximum work required by the machine is 16420 J.

Work is energy transferred to or from an object via the application of the  force along with the  displacement. Work is the  standard mechanical  quantity. In its simple form, for a constant force aligned with it  direction of motions the work equals the product of the forced by the  strength and to the  distance traveled.

Here mass M is 215 kg

And the height lifted H is 5.65

The energy or workdone needed to lift is W= MgH = 215(9.8)(5.65)= 11904.5 J

The minimum efficiency of to  the machine is 72.5 %

So we can write that

The workdone by machine is

11904.5(100/72.5) = 16420 J ( approx)

So the workdone by machine is 16420 J

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The initial speed of the jumper can be calculated using the formula for horizontal velocity, Vx = V0 × cos(θ), where θ is the angle of take-off and V0 is the initial speed. The initial speed of the jumper was approximately 9.988 m/s.

When you hear the term initial velocity, your first thought is that it refers to the speed at which an object was traveling when it initially started moving. Normally, we make this error, but in truth, what matters is the object's velocity at a certain point in time (which can be assumed) before it was affected by acceleration after that point in time.

When gravity first exerts a force on an object, its initial velocity defines how quickly the object moves. The final velocity, on the other hand, is a vector number that gauges a moving body's speed and direction after it has reached its maximum acceleration.

v = u + at

s = ut + 1/2 a

= 2as

Given that the angle of take-off is 39.0 degrees, we can use the following calculation:

Vx = V0 × cos(39)

V0 = Vx / cos(39) = 8.20 / cos(39)

cos(39) is approximately 0.825. Therefore:

V0 = 8.20 / 0.825 = 9.988 m/s

So, the initial speed of the jumper was approximately 9.988 m/s.

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Muscular Endurance refers to the ability for a muscle to work against a resistance for an extended period of time

Endurance :-

Perseverance is connected with the capacity to perform work over a drawn out timeframe. Youngsters, for instance, can play effectively for hours. Endurance can be impacted by a singular muscle, a muscle bunch, or the complete body. Muscle perseverance mirrors the capacity to support rehashed muscle compression and is connected with muscle strength.

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Answer:

the answer is the option C

From the given list, let's determine the given qualitative information.

Qualitative data can be said to be data that are represented without determining a value.

This type of data are uncountable.

It is data that can be observable in nature and they cannot be measured.

From the given list, the qualitative data is blue sky.

Other information given are that of quantitative data because they are measured values.

Therefore, the qualitative information is blue sky.

ANSWER:

D. Blue sky

The rock sitting on the cliff that is 25 m high has the gratest gravitational potential energy.

Potential energy is defined as the energy of an object by virtue of it's location. Mathematically, it is written as:

PE = mgh

Where

To determine the rock with the grater potential energy, we shall determine the potential energy of both rock assuming they have the same mass. Details below:

For rock sitting at 25 m high:

PE = mgh

PE = 10 × 9.8 × 25

PE = 2450 J

For rock sitting at 12 m high:

PE = mgh

PE = 10 × 9.8 × 12

PE = 1176 J

From the above calculation, we have:

Thus, we can conclude that the rock sitting at 25 m high, has the gratest potential energy.

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Answer:

a

 \(a = 21.7 \ m/s^2\)

b

\(F = 108.5 \ N\)  

Explanation:

From the question we told that

   The mass is  m  =  5 kg

    The initial speed \(u = 5 m/s\)

    The time taken to attain \(v = 70 \ m/s\) is  t =  3 s

Generally from kinematic equation we have that

     \(v = u + at\)

=> \(70 = 5 + a * 3\)

=>  \(a = 21.7 \ m/s^2\)

Generally  the force acting is mathematically represented

        \(F = m * a\)

=>      \(F = 5 * 21.7\)  

=>      \(F = 108.5 \ N\)  

The maximum height reached by the ball during the upward motion  is 24.7 m.

The given parameters;

The maximum height reached by the ball is determined using the third kinematic equation as shown below;

v² = u² - 2gh

where;

0 = u² - 2gh

2gh = u²

\(h = \frac{u^2}{2g} \\\\h = \frac{22^2}{2(9.8)} \\\\h = 24.7 \ m\)

Thus, the maximum height reached by the ball during the upward motion  is 24.7 m.

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As the mass passes through the equilibrium positions the force of the spring is increasing.

Simple harmonic motion is a specific kind of periodic motion of a body that arises from a dynamic equilibrium between an inertial force that is proportional to the body's acceleration away from the static equilibrium position and a restoring force on the moving object that is directly proportional to the magnitude of the object's displacement and acts towards the object's equilibrium position. Oscillating spring perform SHM.

as the mass passes through the equilibrium position, at the equilibrium position the force is zero and it increases with increase in displacement x according to the relation F = kx.

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Mass is measured in kilograms (kg), while weight is measured in newtons (N). Mass and weight are distinct concepts, with mass representing the amount of matter in an object, while weight is the force exerted on an object due to gravity. The two are related through the gravitational acceleration and can be calculated using the equation weight = mass × gravitational acceleration.

Mass is a fundamental property of matter and is measured in kilograms (kg). It represents the amount of matter an object contains and remains constant regardless of its location in the universe. Mass can be thought of as the measure of inertia or resistance to changes in motion. For example, a 1 kg object will require a greater force to accelerate than a 0.5 kg object.

Weight, on the other hand, is the force exerted on an object due to gravity and is measured in newtons (N). The weight of an object depends on both its mass and the strength of the gravitational field it is in. Weight can vary depending on the location in the universe because gravitational acceleration differs on different celestial bodies. For instance, an object that weighs 9.8 N on Earth would weigh only about 1.6 N on the Moon.

Five key differences between mass and weight are:

1. Mass is a scalar quantity, while weight is a vector quantity with magnitude and direction.

2. Mass remains constant, while weight can change depending on the gravitational field.

3. Mass is measured in kilograms, while weight is measured in newtons.

4. Mass is an intrinsic property of an object, while weight depends on the gravitational force acting upon it.

5. Mass can be directly measured using a balance, while weight requires the use of a scale or a force meter.

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Answer:

250 calories

Explanation:

To calculate the amount of energy used to heat the water, you need to know the mass of the water and the change in temperature.

Assuming that the water has a density of 1 gram/milliliter, we can calculate the mass of the water by multiplying the volume (25 mL) by the density (1 g/mL), which gives us a mass of 25 grams. The change in temperature, ΔΤ, is the difference between the final temperature and the initial temperature, which in this case is 20°C - 10°C = 10°C.

Now that we have the mass and the change in temperature, we can plug these values into the formula to calculate the amount of energy used to heat the water: cal = 25 g × 10°C = 250 cal.

Therefore, the student used 250 calories of energy to heat the water from 10°C to 20°C.

The net force acting on the helium balloon is 3603.2 N.

Calculate the weight of the load and the balloon cover:

Weight = Mass x Gravity

Weight of load = 110 N

Weight of balloon cover = 50 N

Calculate the buoyant force:

Buoyant force = Density x Gravity x Volume

Since helium is lighter than air, it will displace a volume of air equal to its own volume. Therefore, we can use the density of air instead of helium.

Buoyant force = 1.2 kg/m3 x 9.8 m/s2 x 32 m3 = 3763.2 N

Calculate the net force:

Net force = Buoyant force - Weight

Net force = 3763.2 N - 110 N - 50 N = 3603.2 N

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--The completely accurate question is , What is the net force acting on the helium balloon if it is used to lift a load of 110 N and the weight of the balloon cover is 50 N, and its volume when fully inflated is 32 m3? --

The waves with a frequency f = 10.0 kHz lie in the radio part of the electromagnetic spectrum.

The electromagnetic spectrum is the range of all types of electromagnetic radiation. It includes radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays. The position of a wave on the spectrum is determined by its frequency and wavelength. The waves with a frequency f = 10.0 kHz have a wavelength of approximately 30,000 meters, which falls within the radio part of the spectrum.

Radio waves have the longest wavelengths and the lowest frequencies in the electromagnetic spectrum. They are used for broadcasting and communications, such as radio and TV signals. Therefore, the waves with a frequency f = 10.0 kHz belong to the radio part of the electromagnetic spectrum.

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In a series-fed Hartley oscillator, if the frequency value-determining capacitance is increased, the oscillator frequency will decrease.

1. A Hartley oscillator is a type of LC oscillator that uses an inductor and two capacitors to generate an oscillating signal at a specific frequency.

2. In a series-fed Hartley oscillator, the frequency of oscillation is primarily determined by the values of the inductor (L) and the capacitors (C1 and C2).

3. The frequency of oscillation can be calculated using the formula: f = 1 / (2π√(L(C1 || C2))), where f is the frequency, π is a mathematical constant, and "||" represents the parallel combination of capacitors.

4. When the frequency value-determining capacitance is increased, it means either C1 or C2 or both capacitors are being increased.

5. Increasing the capacitance in the oscillator circuit will decrease the resonant frequency because the capacitance has an inverse relationship with the frequency.

6. As the capacitance increases, the denominator in the frequency formula becomes larger, resulting in a smaller overall value for the frequency.

7. Therefore, if the frequency value-determining capacitance is increased in a series-fed Hartley oscillator, the oscillator frequency will decrease.

8. This change in frequency can be utilized in electronic circuits where a variable capacitance element can be employed to tune the oscillator to different frequencies.

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Answer:

a concave lens forms a smaller, real image. { a p e x :)) }

Explanation:

hey, friend! this is the answer, but make sure that, next time, you include the diagram to make it easier for us to help you, okay?

A concave lens forming a larger real or virtual image and Concave mirrors form both real and virtual images. therefore all statements are correct. Therefore these can be interpreted by using Ray diagram.

A ray diagram is a diagram that shows path taken by light in order to see a point on the image of an object. Ray diagram uses lines with arrows to show reflected and incident ray.

A concave lens is a lens that diverges a straight light beam from the source to a diminished, upright, virtual image. It can form both real and virtual images. concave lens has curve on both side. The lens having only one side plane and other is curved inside, the les is called as planoconcave lens.

Concave mirror can form both virtual and real image that depends on the distance between the mirror and object. We get virtual and magnified image When the object is placed very close to the mirror. when distance between the object and mirror is increased, image gets diminished and real.

Both concave lens and mirror form both real and virtual images that's depend on the distance.

Hence all statements are correct.

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The earth does not orbit the moon because that is a difference in their masses.

The Earth and the Moon are both pulled towards each other by the force of gravity. However, the reason that the Earth orbits around the Moon, rather than the other way around, is due to the difference in their masses.

The mass of the Earth is much larger than the mass of the Moon, so it has a stronger gravitational force than the Moon. As a result, the Moon is pulled toward the Earth with a greater force than the Earth is pulled toward the Moon.

This difference in the gravitational force causes the Moon to move in a curved path around the Earth, while the Earth moves in a relatively straight path. This curved path of the Moon around the Earth is what we refer to as an orbit.

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Given that the mass of the ball is m = 0.57 kg.

The speed of the ball is

A) The kinetic energy at point A will be

B) Given that the kinetic energy,

The ball's speed at point B will be

C) The total work done on the ball to move from point A to B is

Answer:

As the temperature is increased the more the energy store

Answer:

k= 8 m

Explanation:

L²=K²+J²

(10)²=K²+(6)²

100= K²+ 36

K²= 100-36

K²= 64

K=8 m

Answer:

8

Explanation: