A(n) _____ is connected in parallel with the component whose voltage is to be measured.

The total mechanical energy of the system change into its motion as the ball rolls down the ramp.

As the ball rolls down on the ramp, the potential energy is converted to kinetic energy. If there is no friction, all of the energy is converted into kinetic energy which leads to increase in the motion of the ball.

So we can conclude that the total mechanical energy of the system change into its motion as the ball rolls down the ramp.

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Answer:

680.4

Explanation:

the formula is V1 over T1 is equals (=) to V2 over T2 .

and we have been given that

V1 represents 315

T1 represents 25°c

V2 is unknown and what we're finding

T2 represents 54°c

so 315×54 all over 25 ...gives you 680.4

Answer:

4b: comets

5a: supercluster

5b: they just changed 4b's solar system for milky way. I think it is still comets. if not, then just say black holes.

The speed of the baseball is 30.38m/s .

We are given that,

The mass of bat = m₁ = 4.3 kg

The mass of baseball = m₂ = 2.5 kg

The initial velocity of bat = v₁ = 37 m/s

The final velocity of bat = v₁' = 19 m/s

So that the speed in baseball can be calculated from the law of conservation of momentum which can be given as,

mₙvₙ = m₁v₁ +m₂v₂

(m₁ + m₂)vₙ = m₁v₁ + m₂v₂

Where, vₙ is the speed of the baseball after impact, mₙ is the total mass of the system ,

(4.3kg + 2.5kg)vₙ = (4.3kg × 37m/s) + (2.5kg × 19m/s)

(6.8kg) vₙ = 159.1kg-m/s + 47.5kg-m/s

vₙ = (206.6kg-m/s)/6.8kg

vₙ = 30.38 m/s

Therefore, the speed of the baseball would be 30.38m/s after impact.

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Answer:

The graph demonstrates two major trends. First, employment numbers began to drop sharply in 2008. These numbers fell until 2010, when they reached a trough. Employment began to rise again after this point and continued to rise into 2013.

Explanation:

Answer:

The Earth spins on its axis once a day.

Explanation:

In simple words,The Earth revolves on its axis once every 24 hours and circles the sun once every 365 days. The Earth's rotation on its axis, not its orbit throughout the sun causes day as well as night. The word 'one day' refers to the period it requires the Earth to spin entirely on its axis, which involves both day as well as night.

Answer: the answer is 1/2mv^2 = 1/2 kx^

Explanation:

Newton's first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force. This is normally taken as the definition of inertia

We have that  the Time  it took him to reach that speed is

t=1.2sec

From the question we are told

A runner at the start of a race generates 250 W of power as he accelerates to 5 m/s. If the runner has a mass of  60 kg, how long did it take him to reach that speed?

Generally the equation for the   is mathematically given as

\(P=W/t\)

Therefore

\(W=Pt\\\\W=250*t\)

Where

\(W=f*d\\\\5*60=250*t\\\\t=\frac{5*60}{250}]\\\\t=1.2sec\)

Therefore

Time  it took him to reach that speed is

t=1.2sec

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A magnet is able to attract a non-magnetic piece of iron because of the magnetic properties of the iron.

Even though the piece of iron may not be magnetized itself, it contains magnetic domains that align with the magnetic field of the magnet, allowing the magnet to attract it. Magnetic domains are small regions within the iron where the electrons spin in the same direction, creating a small magnetic field. In non-magnetic materials, these domains are randomly oriented and cancel each other out, resulting in no overall magnetic effect. However, when a magnetic field is introduced, the domains align with the field, creating a temporary magnetism in the iron.

This alignment causes a force of attraction between the magnet and the iron, allowing the magnet to attract the non-magnetic piece of iron. The strength of the attraction depends on factors such as the strength of the magnetic field, the distance between the magnet and the iron, and the properties of the iron. Overall, the ability of a magnet to attract a non-magnetic piece of iron is due to the magnetic properties of the iron and the alignment of its magnetic domains in the presence of a magnetic field.

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True. Energy of motion, or kinetic energy, must be understood and counteracted when driving.

Reducing your speed and always wearing a safety belt will indeed lessen the kinetic energy and potential impact should a collision occur.

Kinetic energy is directly proportional to the mass of an object and the square of its velocity. When driving, the kinetic energy of a vehicle increases significantly as the speed increases.

This means that even a small increase in speed can result in a substantial increase in the vehicle's kinetic energy.

By reducing your speed, you effectively decrease the kinetic energy of your vehicle. This reduction in kinetic energy can significantly impact the outcome of a collision.

A lower kinetic energy means that the vehicle will require a shorter stopping distance and will generate less force upon impact.

Additionally, wearing a safety belt is vital for mitigating the effects of kinetic energy during a collision. Safety belts are designed to restrain occupants and prevent them from being thrown forward or out of the vehicle in the event of a sudden stop or collision.

By wearing a safety belt, the occupants' deceleration is controlled, reducing the risk of severe injuries caused by the abrupt change in kinetic energy.

It's important to note that while reducing speed and wearing a safety belt can help lessen the effects of kinetic energy, they are not the only factors to consider for safe driving.

Other factors, such as maintaining a safe following distance, being aware of road conditions, and obeying traffic rules, also play critical roles in preventing collisions and minimizing the impact of kinetic energy.

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Answer:

I HAD THE SAME QUESTION AND SEARCHED IT UP AND GOT THE ANSWERS.

Explanation:

The direction of velocity is 81.12°

Given that,

Since it is a right angled triangle,

tan θ = Opposite side / Adjacent side

tan θ = Total vertical velocity/ Total horizontal velocity

tan θ = 7714.9 / 1204.9 = 6.4

θ = \(tan^{-1}\) ( 6.4 )

θ = 81.12 °

Therefore, the direction of its velocity is 81.12° with respect to x - axis.

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Answer:

10V

Explanation:

Hollow sphere means two spherical surfaces inside

So charge on the surface =Charge at any point in sphere i.e voltage remains constant.

So

potential at centre=Potential at surface=10V

Option B is correct

a ) The average angular acceleration = 87.27 rad / s²

b ) Tangential acceleration of point at 9.50 cm = 8.29 m / s²3

c ) The centripetal acceleration = 1.04 * 10⁷ m / s²

a ) The average angular acceleration,

α = ω / t

ω = Angular velocity

t = Time period

ω = 100000 rpm = 10471.98 rad / s

t = 2 min = 2 * 60 sec

t = 120 s

α = 10471.98 / 120

α = 87.27 rad / s²

b ) The tangential acceleration of a point,

at = r α

r = Radius

r = 9.5 cm = 0.095 m

at = 0.095 * 87.27

at = 8.29 m / s²

c ) The centripetal acceleration,

ac = r ω²

ac = 0.095 * 10471.98²

ac = 1.04 * 10⁷ m / s²

In terms of g,

1 g = 9.8 m / s²

ac = 1.04 * 10⁷ m / s² = 1.04 * 10⁷ / 9.8

ac = 1.06 * 10⁶ g

d ) The distance traveled during the acceleration,

Δθ = ωo t + 1 / 2 α t²

ωo = 0

Δθ = 0 + ( 1 / 2 * 87.27 * 120 * 120 )

Δθ = 630 * 10³ rad

d = Δθ r

d = 630 * 10³ * 0.095

d = 599 * 10² m

Therefore,

a ) The average angular acceleration = 87.27 rad / s²

b ) Tangential acceleration of point at 9.50 cm = 8.29 m / s²3

c ) The centripetal acceleration = 1.04 * 10⁷ m / s²

c ) The centripetal acceleration in terms of g = 1.06 * 10⁶ g

d ) The distance traveled during the acceleration = 599 * 10² m

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The behavior of an electron beam in a magnetic field is similar to that of a current carrying straight wire in a magnetic field in that both experience a force known as the Lorentz force, which is perpendicular to both the magnetic field and the direction of the particle or wire's motion.

However, there are also key differences between the two. An electron beam is comprised of charged particles that are traveling at high speeds, while a current-carrying wire has a stationary lattice of charged particles that are not moving at high speeds.

As a result, the electron beam will experience a stronger force in a magnetic field than the wire, due to its higher speed and charge density.

Additionally, the path of the electron beam will be curved into a tighter radius than the path of the wire, due to the higher charge density and smaller mass of the electrons.

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Answer: INCREASE THE IMPACT TIME

crumple zones help transfer some of the cars kinetic energy into controlled deformation, or crumpling, at impact

The flow of electricity in a certain path is the circuit.

The minimum thickness of the oil film is 92.4 nanometers.

This can be calculated using the equation:

2nt = (m + 1/2)λ

where n is the refractive index of the oil film (1.462),

t is the oil film of the oil film,

λ is the wavelength of the green light (538 nm), and m is the order of the interference (m=0 for absence of reflection).

Plugging in the given values, we get:

2(1.462)t = (0 + 1/2)(538 nm)

Simplifying the equation, we get:

t = 92.4 nm

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The minimum thickness of the oil film can be calculated using the equation for constructive interference:

2nt = (m + 1/2)λ

where n is the refractive index of the oil, t is the thickness of the oil film, λ is the wavelength of the light, and m is an integer representing the order of the interference.

Since green light (λ = 538 nm) is absent in the reflection, we can assume that it is experiencing destructive interference at the oil-water interface. This means that m = 0.

Substituting the given values, we get:

2(1.462)t = (0 + 1/2)(538 nm)

Simplifying the equation, we get:

t = (269 nm) / (2 x 1.462)

t = 91.94 nm

Therefore, the minimum thickness of the oil film is approximately 91.94 nm.

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Answer:

I will continue to go left untill forces such as gravity and friction act uppon it.

Explanation:

The orientation with the largest magnetic torque on the dipole is Orientation B (See attached image).

The torque on the dipole is defined as:

τ = µ×B,

where B is the external magnetic field.

The magnitude of this torque is µB sinθ, where θ is the angle between B and µ

Magnetic Torque is highest when;

→     →

µ ⊥ β

That is when θ  = 90°. Hence B is the correct answer. Please see attached image.

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Answer:

b

Explanation:

The time taken to cover a distance is the distance divided by velocity. The alligator will take 20.8 seconds to crawl 25 m with a velocity of 1.2 m/s.

Velocity of an object is the measure of the distance covered by it per unit time. It is the rate of its speed. Velocity is a vector quantity thus, having magnitude and direction.

The higher the velocity, greater will be the distance covered within short time. Velocity is the ratio of change in distance to the change in time. It has the common unit of m/s.

Given that, distance covered by the alligator  = 25 m

velocity = 1.2 m/s

then time  = distance / velocity

t = 25 m/ 1.2 m/s = 20.8 s.

Therefore, the alligator crawls 20.8 seconds to reach 25 m.

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Answer:

Electrons move in specific orbits in the modern model.

Explanation:

I'm still learning so, and D is not the answer.

The main difference between the cloud model of the atom and the modern model is that electrons exist in a cloud around the nucleus in the cloud model.

New theories usually don’t start “from scratch.” For example, the modern model of the atom is the result of new information added to the cloud model.

What is the main difference between the cloud model of the atom and the modern model?

The main difference between the cloud model of the atom and the modern model is that electrons exist in a cloud around the nucleus in the cloud model.

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LASIK surgery utilizes a laser to reshape the cornea, improving vision. The laser emits short pulses of light, each containing 1.0 mJ of energy.

LASIK surgery employs a laser that emits short pulses of light, each carrying 1.0 mJ of energy, to reshape the cornea and improve vision. This precise laser technology allows for the removal of microscopic layers of corneal tissue, correcting refractive errors and enabling clearer vision for patients.

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a) It will take 24.4 second the planes to reach takeoff speed.

b) The minimum length of the runway must be  744.2 meter.

Acceleration is the rate at which speed and direction of velocity vary over time. A point or object going straight ahead is accelerated when it accelerates or decelerates.

Even if the speed is constant, motion on a circle accelerates because the direction is always shifting. Both effects contribute to the acceleration for all other motions.

Given parameters:

Acceleration of the plane: a = 2.5 m/s².

Final speed of the plane: v = 61 m/s.

Initial speed of the plane: u = 0 m/s.

Hence,  it will take the planes to reach takeoff speed = final speed/acceleration

= 61 m/s / 2.5 m/s²

= 24.4 second.

The minimum length of the runway must be = (final speed)²/(2×acceleration)

= ( 61)²/(2×2.5) meters

= 744.2 meter.

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Explanation:

\(workdone = force \times distance \\ = 500 \times 100 \\ = 50000 \: J\)

The correct tight asymptotic bound for T(n) in 1, 2, 3 where T(1)=c is Θ(n log n).

To find the tight asymptotic bound of T(n), we will use the Master Theorem. So, let's take a look at each recurrence relation:

1. T(n) = 10T(n/10)+100nApplying the Master Theorem: a = 10, b = 10, f(n) = 100nlogb a = log10 10 = 1 Since f(n) = Θ(n) = Θ(n1), Case 2 of the Master Theorem applies. The solution, therefore, is Θ(n log n).

2. T(n) = T(n/10)+100n Here, a = 1, b = 10, f(n) = 100nlogb a = log10 1 = 0 Since f(n) = Θ(n0) = Θ(1), Case 1 of the Master Theorem applies. The solution, therefore, is Θ(n).

3. T(n) = T(n/10)+100 Here, a = 1, b = 10, f(n) = 100logb a = log10 1 = 0 Since f(n) = Θ(1) = Θ(n0), Case 2 of the Master Theorem applies. The solution, therefore, is Θ(log n).Therefore, the correct tight asymptotic bound for T(n) in 1, 2, 3 where T(1)=c is Θ(n log n).

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Let's use the Master Theorem to find the asymptotic tight bound for each of the three recurrence relations given in the problem statement.

1. T(n) = 10T(n/10) + 100n Here, a = 10, b = 10, and f(n) = 100n. We can calculate the value of logb a as follows: log10 10 = 1 Since f(n) = Θ(n1), we can apply Case 2 of the Master Theorem and get: T(n) = Θ(n log n)Therefore, the correct tight asymptotic bound for T(n) in the first case is Θ(n log n).

2. T(n) = T(n/10) + 100n Here, a = 1, b = 10, and f(n) = 100n. We can calculate the value of logb a as follows: log10 1 = 0 Since f(n) = Θ(n1), we can apply Case 1 of the Master Theorem and get: T(n) = Θ(n)Therefore, the correct tight asymptotic bound for T(n) in the second case is Θ(n).

3. T(n) = T(n/10) + 100 Here, a = 1, b = 10, and f(n) = 100. We can calculate the value of logb a as follows: log10 1 = 0 Since f(n) = Θ(1), we can apply Case 2 of the Master Theorem and get: T(n) = Θ(log n) Therefore, the correct tight asymptotic bound for T(n) in the third case is Θ(log n). Hence, the three asymptotic tight bounds for T(n) are Θ(n log n), Θ(n), and Θ(log n), respectively.

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If his resistance is 2200 Ohm , the fatal voltage is 110 Volt.

The relation between resistance, voltage, and current is given by the Ohm law:

V = I R

Where:

V = voltage

I = current

R = resistance

Parameters from the problem are:

I = current = 50 mA = 0.05 A

R = resistance = 2200 Ohm

Hence,

V = IR

  = 0.05 x 2200 = 110 Volt

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Answer:

300kgm/s

Explanation:

Given parameters:

Mass of TV = 30kg

Height of building  = 5m

Maximum speed  = 10m/s

Unknown:

Momentum before it hits the ground = ?

Solution:

Momentum is the quantity of motion a body possess or contains. It is expressed as;

      Momentum  = mass x velocity

 Insert the parameters and solve;

   Momentum  = 30 x 10

   Momentum  = 300kgm/s

Hi sorry for yesterday

Explanation: