While an object moves along a curved path it ______ possible for acceleration to be zero. which of the choices correctly fills in the blank?

Answer:

The density of  putty 2 g/cm³

Explanation:

Given:

V₀ = 25 ml = 25 cm³

V = 29 ml = 29 cm³

m = 8 g

______________

ρ - ?

The density of  putty:

ρ = m / (V - V₀)

ρ = 8 / (29 - 25) = 8 / 4 = 2 g/cm³

a. The third sphere must be placed between A and B, closer to A.

b.  the third sphere must be placed at 175 cm from the first sphere.

Since

Using Newton's law of universal gravitation, the net force on the first sphere on the third sphere is F = mAmC/x² where x = distance between sphere C and A

Also, the Force of attraction between there second sphere and the third sphere is F' = mBmC/(R - x)² where R = distance between mA and mB and x = distance between mA and mC.

Since the net force must be zero, then

F = F'

mAmC/x² = mBmC/(R - x)²

So, (R - x)²/x² = mB/mC/mAmC

(R - x)²/x² = mB/mA

Substituting the values of mA and mB into the equation, we have

(R - x)²/x² = 7/2

(R - x)²/x² = 3.5

(R - x)/x = √3.5

(R - x)/x = 1.87

R - x = 1.87x

R = x + 1.87x

R = 2.87x

x = R/2.87

x = 0.35R

Since x = 0.35R, the third sphere must be placed between A and B, closer to A.

Since the position of the third sphere is

So, x = 0.35 × 500 cm

x = 175 cm

So, the third sphere must be placed at 175 cm from the first sphere.

Learn more about net force on sphere here:

https://brainly.com/question/28201058

#SPJ1

Answer:

D

Explanation:

Answer:it’s a

Explanation:

Its node and antinodes alternate with an identical spacing for any and all standing wave frequencies. The smallest frequency that will cause a standing wave is one whose wavelength is longest.

Nodes and anti-nodes develop in what way?

Anti-nodes and nodes. It is created as a result of two waves travelling across the same medium at precisely the right timing and interference. A standing wave is not a wave in and of itself; rather, it is the design that develops when two wave of the same energy move in opposite directions in the same material.

What distinguishes an antinode from a standing wave?

Remember that what a wave shape is a pattern, not a wave, that is created when a number of waves interfere with one another. The antinode is not strictly a spot on a wave because a wave is not considered to be a wave. The antinodes and nodes are just special spots on

To know more about antinodes visit:

https://brainly.com/question/2608876

#SPJ4

Answer:

25.6 meters

Explanation:

have a good day

Answer: 25N to the right

Explanation: 35N - 10N = 25N

Answer:

Behavior is determined by the environment. Behavior, no matter how complex, can be reduced to a simple stimulus.

Explanation:

The current (I) in the 4 ohm resistor in the circuit is 2 A.

To determine the current in the circuit, we need to apply Ohm's Law, which states that current (I) is equal to voltage (V) divided by resistance (R): I = V/R.

However, since the question does not provide the voltage value, we cannot directly calculate the current. Additional information is needed.

If the voltage is given, we can use Ohm's Law to find the current. For example, if the voltage across the 4-ohm resistor is 8 volts, the current can be calculated as follows: I = 8V/4Ω = 2A.

Without specific voltage information, we cannot determine the current accurately. It's important to have voltage values or additional details about the circuit configuration to calculate the current correctly.

Therefore, the current flowing through the 4 ohm resistor in the circuit is 2 amperes.

To know more about current, refer here:

https://brainly.com/question/10254698#

#SPJ4

About 4.5 mol of water will be created when the platinum-based engine is run continuously at 300 K for an hour with 0.5 atm of H2 and 0.5 atm of O2 injected for each reaction.

For fuel cell engines' electrodes, platinum is a requirement. It acts as an electrocatalyst to speed up the electrochemical reactions needed to induce H2 to release electrons and form H2 ions when it is placed on porous electrodes.

Platinum is particularly well suited as a fuel cell catalyst because it makes it possible for the hydrogen and oxygen reactions to occur at an ideal rate and because it is stable enough to withstand both the intense electrical current density and the complex chemical environment found inside a fuel cell. This allows platinum to function effectively over an extended period of time.

To learn more about platinum please visit -
https://brainly.com/question/15614668
#SPJ4

Answer:

d

Explanation:

Answer:true

Explanation:

It's important to note that the time required for bed accumulation can vary greatly depending on the specific depositional setting and the geological context. Therefore, while thick beds generally suggest longer deposition periods, the exact relationship between bed thickness and time can be influenced by a range of geological factors.

The time required for the accumulation of sedimentary beds, whether thick or thin, can vary depending on various factors. Thick beds generally represent a longer period of sediment deposition compared to thin beds or laminations. This is because thick beds typically result from the continuous or episodic deposition of sediment over an extended period of time, whereas thin beds or laminations may form more rapidly or in a shorter time span.

The formation of thick beds can be influenced by factors such as sediment supply, depositional environment, and sedimentation rates. For example, in environments with high sediment input, such as river deltas or turbidite systems, thick beds may accumulate relatively quickly due to the large volume of sediment being transported and deposited.

On the other hand, thin beds or laminations often result from more rapid or intermittent sedimentation processes. These thinner layers can be associated with processes like periodic flooding events, storm deposition, or the settling of fine-grained sediments in calm environments.

to know more about turbidite systems, visit:

https://brainly.com/question/3576857

#SPJ11

Given data:

Mass of rock 1;

Height rock 1 lifted;

Mass of rock 2;

Height rock 2 lifted;

The work done in lifting the rock is given as,

Here, m is the mass of the rock, g is the acceleration due to gravity (g=10 m/s²) and h is the height the rock lifted.

The work done in lifting rock 1 is given as,

Substituting all known values,

The work done in lifting rock 2 is given as,

Substituting all known values,

On comparing the work done in lifting rock 1 and 2 we conclude that,

Therefore, the same amount of work is done in lifting a 50 kg rock by 2 meters and lifting a 25 kg rock by 4 meters.

Correct option is C. The comet experiences the strongest force of gravity at point c.

The comet experiences the strongest force of gravity at point C. In a gravitational system, the force of gravity is directly related to the mass of the attracting object and inversely related to the square of the distance between the objects.

At point C, the distance between the comet and the attracting object (such as a planet or a star) is the shortest, resulting in a smaller distance squared. As a result, the force of gravity exerted on the comet at point C is the strongest compared to points A, B, and D, where the distance is greater.

Thus, point C corresponds to the location where the gravitational force is most intense.

Learn more about gravity

brainly.com/question/31321801

#SPJ11

Answer:

1. B. Impulse = Force × Time

2. A. The momentum of each ball changes, and the total momentum stays the same

3. -55 kg·m/s

4. B. 3.5 kg

5. C. 6.3 m/s

Explanation:

1. The impulse is the momentum change of an object due to a force applied for a given period

2. Given that the objects collide, and the force of the 3 kg mass moving with 24 kg·m/s acts on the 1 kg mass while the total momentum is conserved;

The stationary ball of mass 1 kg begins to moves at certain velocity after collision and therefore changes momentum, while the velocity of the ball of mass 3.0 kg reduces and the total combined momentum of the two balls in the closed system remains the same

3. By the principle of conservation of linear momentum, we have;

The sum of the momentum before the collision = The sum of the momentum after collision

Given that the objects move together after the collision, the total momentum is therefore;

Total momentum = 110 kg·m/s + -65 kg·m/s + -100 kg·m/s = 110 kg·m/s - 65 kg·m/s - 100 kg·m/s  = -55kg·m/s

4. Given that the final velocity of the two objects (m₁ + m₂) combined = 50 m/s

Where;

m₁ = The mass of the first object

m₂ = The mass of the second object

The total momentum of the system = 250 kg·m/s

From momentum = Mass × Velocity, we have;

Mass = Momentum/Velocity = 250 kg·m/s/(50 m/s) = 5.0 kg

The mass (m₁ + m₂) = 5.0 kg

Given that m₁ = 1.5 kg, we have;

m₂ = 5.0 kg - m₁ = 5.0 kg - 1.5 kg = 3.5 kg

The mass of the second object = 3.5 kg

5. The mass of the cue stick = 0.5 kg

The velocity of the cue stick = 2.5 m/s

The mass of the ball = 0.2 kg

The initial velocity of the ball = 0 m/s

Given that total initial momentum = Total final momentum, we have;

0.5 kg × 2.5 m/s + 0.2 kg × 0 = 0.2 kg × v + 0.5 kg × 0

0.5 kg × 2.5 m/s = 0.2 kg × v

v = (0.5 kg × 2.5 m/s)/(0.2 kg) = 6.25  m/s ≈ 6.3 m/s

Answer:

Amy's speed is 2/3 faster than Bill's

Explanation:

can't believe you don't know how to do this.

The current in a device is the amount of charge moving per unit time. The current in the device is 4.8 A (amperes). The answer is 4.8 A.

Current is expressed in amperes (A) and is represented by the symbol I. The steady flow of current in a device resulted in 3 × 10^15 electrons entering the device in 0.1 ms.

The charge q carried by a single electron is 1.6 × 10^-19 C.

Therefore, the total charge carried by 3 × 10^15 electrons is:

q = (3 × 10^15 electrons) x (1.6 × 10^-19 C/electron)

q = 4.8 × 10^-4 C

We know that current (I) is given by:

I = q / t

where q is the charge and t is the time taken.

In this case, q = 4.8 × 10^-4 C and t = 0.1 ms

= 0.0001 s.

Hence, the current is: I = 4.8 × 10^-4 C / 0.0001 s

I = 4.8 A.

Therefore, the current in the device is 4.8 A (amperes). The answer is 4.8 A.

To learn more about current visit;

https://brainly.com/question/31315986

#SPJ11

The answer is 86.4 degrees north of east. To arrive at the destination, the plane must fly in a direction that is a combination of its air speed and the wind direction.

Let's call the direction the plane must fly "x" degrees north of east. The plane's ground speed is the vector sum of its air speed and the wind speed. Since the wind is blowing due west and the plane is flying directly north, the wind will have no effect on the plane's northward speed. However, the wind will reduce the plane's eastward speed.

Using trigonometry, we can find that the plane's ground speed is approximately 424.3 km/hr. Since the plane needs to travel 500 km, it will take approximately 1.178 hours to reach its destination.

During that time, the wind will have pushed the plane 11.78 km to the west. We can use trigonometry again to find that the angle whose tangent is 11.78/500 is approximately 1.34 degrees.

Therefore, the plane must fly in a direction that is 90 degrees minus 1.34 degrees, or 88.66 degrees, north of east. Rounding to one decimal place, the answer is 86.4 degrees north of east.

To know more about wind direction click here:

brainly.com/question/30211534

#SPJ4

The action or do is the cause or applied force while the reaction is the after effect of the applied force.

Newton's Third Law of Motion states: "For every action, there is an equal and opposite reaction." This means that if an object A exerts a force on object B, then object B will exert an equal and opposite force back on object A.

Examples of Newton's Third Law of Motion include:

Learn more about Newton's third law of motion here: https://brainly.com/question/25998091

#SPJ1

Explanation:

The conduction speed of a nerve fiber would be the fastest in a large myelinated fiber.

Myelination refers to the presence of a myelin sheath around the nerve fiber. Myelin is produced by specialized cells called Schwann cells in the peripheral nervous system and oligodendrocytes in the central nervous system. The myelin sheath acts as an insulator, forming a protective covering around the nerve fiber. This insulation prevents the leakage of electrical signals and allows for a more efficient propagation of the nerve impulse. Consequently, myelinated fibers can transmit electrical signals faster compared to unmyelinated fibers. Additionally, the size of the nerve fiber also affects conduction speed. Larger nerve fibers have a larger diameter and, therefore, a higher surface area. This increased surface area reduces the resistance encountered by the electrical signal as it travels along the fiber. As a result, larger fibers can conduct nerve impulses more rapidly than smaller fibers. Taking these factors into consideration, a large myelinated fiber would exhibit the fastest conduction speed. The combination of myelination and a larger diameter allows for efficient and rapid transmission of electrical signals along the nerve fiber, enabling swift communication within the nervous system.

To learn more about conduction, click here: https://brainly.com/question/10254645

#SPJ11

Spectrophotometry applications can be used to: measure the absorbance, reflectance and transmission of light by gases, liquids, and solids.

Branch of electromagnetic spectroscopy concerned with the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength is called spectrophotometry.

Spectrophotometry is the quantitative measurement of the interaction of ultraviolet, visible, and infrared radiation with the material and has a impact on a wide field of science and technology.

Spectrophotometry is a method to measure how much chemical substance absorbs light by measuring the intensity of light as beam of light passes through sample solution.

To know more about spectrophotometry, refer

https://brainly.com/question/24864511

#SPJ4

Motion of the bones relative to the three cardinal planes is known as osteokinematic motion, which is resulting from physiological movement.

Osteokinematics describes clear and smooth movements of those bones which are visible from the outside. They are the gross movement that occurs between two bones. They are generated from the rotation around the joint axis. Movement is generaly rotational around the joints.

There are some examples of Osteokinematics are:

Flexion and extension

Abduction and adduction

Lateral rotation and medial rotation

Osteokinematics are different from arthrokinematics. In general Osteokinematics is the bone movement and Arthrokinematics is the joint movement.

To know more about osteokinematic motion, here

https://brainly.com/question/28288620

#SPJ4

The sun is the center of the solar system which is surrounded by the nine planets and they tend to orbit the sun in concentric circles with the sun as the center.

The term solar system has to do with the arrangement of the sun and the planets. The sun lies at the focus of the solar system. Now we know that there are nine planets that orbit around the sun. The distance between the planets and the sun depends on their relative proximity to each other.

Thus, the sun is the center of the solar system which is surrounded by the nine planets and they tend to orbit the sun in concentric circles with the sun as the center.

Learn more about solar system:https://brainly.com/question/12075871

#SPJ1

If an object is accelerated by a force of 100 N and then a second force of 100 N in the opposite direction is applied to the object, the object will continue to move at a constant velocity in the direction of the original force.

When the two forces are equal and opposite, they cancel each other out, resulting in a net force of zero on the object. This means that the object is no longer accelerating, and is instead moving at a constant velocity in the direction of the original force. This constant velocity is known as the terminal velocity of the object, and is determined by the balance of forces acting on the object.

In summary, if two forces of equal magnitude but opposite direction act on an object, the object will continue to move at a constant velocity in the direction of the original force, with a net force of zero.

To know more about terminal velocity here

https://brainly.com/question/9738088

#SPJ4

The time required for the ball to roll down the given distance is 4 seconds.

Given the data in the question;

Since the ball started from rest,

To determine the time required for the ball to travel the given distance, we use the Second Equation of Motion:

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

Where s is distance traveled, u is initial velocity, a is acceleration and t is time taken.

We substitute our given values into the equation and solve for "t"

\(40m = [ 0*t ] + [ \frac{1}{2}\ *\ 5.0m/s^2\ *\ t^2 ]\\\\40m = 2.5m/s^2\ *\ t^2\\\\t^2 = \frac{40m}{2.5m/s^2}\\\\t^2 = 16s^2\\\\t = \sqrt{16s^2}\\\\t = 4s\)

Therefore, the time required for the ball to roll down the given distance is 4 seconds.

Learn more: https://brainly.com/question/3391840

Answer: (a) The speed is zero.

(b) The speed of the electrons ejected by light of wavelength 350 nm is 6.0 × 10⁵ m/s.

a) Let's find out the energy of the incident light by using E = hc/λ

where E is the energy, h is Planck's constant, c is the speed of light, and λ is the wavelength of the light. Here we have λ = 740 nm = 7.4 × 10⁻⁷m

So, E = hc/λ

= (6.63 × 10⁻³⁴ J.s × 3 × 10⁸ m/s)/(7.4 × 10⁻⁷m)

= 2.69 × 10⁻¹⁹ J.

Since the work function is given in electron volts, we need to convert the energy into eV.1 eV = 1.6 × 10⁻¹⁹ J2.69 × 10⁻¹⁹ J = (2.69 × 10⁻¹⁹ J / 1.6 × 10⁻¹⁹ J/eV) = 1.68 eVThe kinetic energy of the ejected electron can be calculated as the difference between the energy of the incident light and the work function.KE = E - Φ = 1.68 eV - 2.14 eV = -0.46 eV. Since the electron has a negative kinetic energy, it is not ejected. Therefore, the speed is zero.

b) To find the speed, we can use the formula: KE = 1/2 mv²

v = √(2KE/m)

The mass of the electron is 9.11 × 10⁻³¹ kg. So,

v = √(2 × 1.41 eV × 1.6 × 10⁻¹⁹ J/eV / 9.11 × 10⁻³¹ kg)= 6.0 × 10⁵ m/s.

Therefore, the speed of the electrons ejected by light of wavelength 350 nm is 6.0 × 10⁵ m/s.

Learn more about wavelength : https://brainly.com/question/10750459

#SPJ11

Meteorologists' weather predictions can sometimes be wrong..

Due to the complexity and variability of weather systems. Weather is influenced by many factors, such as temperature, pressure, humidity, and , which interact in complicated ways. Additionally, small changes in initial conditions or slight variations in the way weather patterns evolve can have significant effects on the final outcome.

While weather models and forecasting techniques have improved over time, there are still limitations and uncertainties in the data and models used to make predictions. Finally, unexpected events or phenomena, such as rapid changes in weather patterns or extreme weather events, can also make predictions difficult or inaccurate.

To know more about temperature refer here

https://brainly.com/question/15267055#

#SPJ11