A mass on a spring is first placed on a table and set in SHM and then held vertically and set in SHM. What variable/s would change between the two scenarios?

Apply Newton's second law

[tex]\\ \tt\hookrightarrow F=ma[/tex]

[tex]\\ \tt\hookrightarrow F=1167(4)=4668N[/tex]

Now

[tex]\\ \tt\hookrightarrow W=Fd[/tex]

[tex]\\ \tt\hookrightarrow d=\dfrac{W}{F}[/tex]

[tex]\\ \tt\hookrightarrow d=\dfrac{105}{4668}[/tex]

[tex]\\ \tt\hookrightarrow d=0.022m[/tex]

Now

According to third equation of kinematics

[tex]\\ \tt\hookrightarrow v^2=u^2+2as[/tex]

[tex]\\ \tt\hookrightarrow v^2=10^2+2(4)(0.022)[/tex]

[tex]\\ \tt\hookrightarrow v^2=100+8(0.022)[/tex]

[tex]\\ \tt\hookrightarrow v^2=100+0.176[/tex]

[tex]\\ \tt\hookrightarrow v^2=100.176[/tex]

[tex]\\ \tt\hookrightarrow v=10.001m/s[/tex]

Answer:

Simple as 50 km/h

Explanation:

Since the average being measured is of the hours and not distance, it is simply (60+40)/(2+2)

Answer:

12.5 hz

Explanation:

Answer:

The answer is probably A

Julia has to increase the no of loops in the coil in order to increase the generation of current.

A solenoid is an electromagnet formed by a helical coil of wire. which generates a magnetic field when an electric current is passed through the coil.

According to  Faraday's law of electromagnetic induction, the rate of change of magnetic flux linked with the coil is responsible for generating emf in the coil resulting in the vof the amount of current.

magnetic flux is defined as

Ф=NBA

[tex]EMF = \frac{d\phi}{dt} \\\\EMF = \frac{d(NBA)}{dt} \\\\[/tex]

[tex]EMF =NA \frac{d(B)}{dt} \\\\[/tex]

EMF is directly proportional to the amount of current. so that in order to increase the amount of current emf should be increasing and Emf is increased by the increasing no of the loop in the coil.

Hence Julia has to increase the no of loops in the coil in order to increase the generation of current.

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Answer:

BBBBBBBBB

Explanation:

[tex] \huge\boxed{ \tt option \: a}[/tex]

Yes. The paint can take in energy from the light, causing it to be damaged.

the answer is

A , Yes. The paint can take in energy from the light, causing it to be damaged

Answer:

C. It can increase the chance of asthma attacks

Explanation:

Answer:

i'm pretty sure it's red.

It is possible because the rubber ball has mechanical energy which is equal to potential energy.

Mechanical energy of an object is the total energy possessed by the object, including the potential energy and the kinetic energy.

M.A = K.E + P.E

Kinetic energy is the energy possessed by an object due to its motion.

Potential energy is the energy possessed by an object due to its position.

When kinetic energy (K.E) = 0

M.A = P.E

Thus, it is possible because the rubber ball has mechanical energy which is equal to potential energy.

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Answer:

Explanation: all of them have made sentence structure (grammar point view) and from the physical aspect.

Hooke's Law

[tex]\tt F=k.\Delta x[/tex]

k = spring constant

x = stretch

F = force

Input the value

[tex]\tt \Delta x=\dfrac{F}{k}=\dfrac{25}{8}=3.125\rightarrow 3.13\:m[/tex]

Velocity is simply defined as the rate of change of displacement per unit time. Mathematically, it can be expressed as

Velocity = displacement / time

For example: A car travels 400 m due north in 40 s. What is the velocity of the car.

From the question given above, we can obtain the velocity as follow:

Velocity = displacement / time

Velocity = 400 / 40

Velocity = 10 m/s

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Answer:

I think its 25.51 m!!

Explanation:

Answer:

true

Explanation:

sir isaac newton was the first person to explain the relationship between force and motion

Answer:Korotkoff Sounds. -tapping sounds created by turbulent blood flow in arm. -pressure is slowly being released from cuff, so systolic pressure is above that of the cuff, but diastolic is still below, so the artery opens in systole and collapses in diastole.

Explanation:

Answer:

– 2.5 m/s²

Explanation:

We have,

• Initial velocity, u = 180 km/h = 50 m/s

• Final velocity, v = 0 m/s (it stops)

• Time taken, t = 20 seconds

We have to find acceleration, a.

[tex]\longrightarrow[/tex] a = (v ― u)/t

[tex]\longrightarrow[/tex] a = (0 – 50)/20 m/s²

[tex]\longrightarrow[/tex] a = –50/20 m/s²

[tex]\longrightarrow[/tex] a = – 5/2 m/s²

[tex]\longrightarrow[/tex] a = – 2.5 m/s² (Velocity is decreasing) [Answer]

Answer:

W = work  F = force   d = distance travelled   cos 0 = adjacent/hypotenuse, the cosine of the angle displaced

Explanation:

Kepler's third law is used to determine the relationship between the orbital period of a planet and the radius of the planet.

The distance of the earth from the sun is [tex]1.50 \times 10^{11}\;\rm m[/tex].

Kepler's Third Law states that the square of the orbital period of a planet is directly proportional to the cube of the radius of their orbits. It means that the period for a planet to orbit the Sun increases rapidly with the radius of its orbit.

[tex]T^2 \propto R^3[/tex]

Given that Mars’s orbital period T is 687 days, and Mars’s distance from the Sun R is 2.279 × 10^11 m.

By using Kepler's third law, this can be written as,

[tex]T^2 \propto R^3[/tex]

[tex]T^2 = kR^3[/tex]

Substituting the values, we get the value of constant k for mars.

[tex]687^2 = k\times (2.279 \times 10^{11})^3[/tex]

[tex]k = 3.92 \times 10^{-29}[/tex]

The value of constant k is the same for Earth as well, also we know that the orbital period for Earth is 365 days. So the R is calculated as given below.

[tex]365^3 = 3.92\times 10^{-29} R^3[/tex]

[tex]R^3 = 3.39 \times 10^{33}[/tex]

[tex]R= 1.50 \times 10^{11}\;\rm m[/tex]

Hence we can conclude that the distance of the earth from the sun is [tex]1.50 \times 10^{11}\;\rm m[/tex].

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Air resistance is negligible

Apply third equation of kinematics

[tex]\\ \tt\longmapsto v^2=u^2+2gs[/tex]

[tex]\\ \tt\longmapsto v^2=2(10)381[/tex]

[tex]\\ \tt\longmapsto v^2=7620[/tex]

[tex]\\ \tt\longmapsto v=87.29ms^{-1}[/tex]

Answer:

According to the Given Statement

Penny is dropped from rest of the 102nd floor which is 381 metres above from the ground.

we 'll take here the acceleration due to gravity (g ) is 9.8m/s²

Its initial velocity u be 0 m/s ( as it is at rest)

Using Kinematic Equation

here h is the height of 102nd floor

➥ v² = 0² + 2 × 9.8 × 381

➥ v² = 0 + 19.6 × 381

➥ v² = 7467.6

➥ v = √7467.6

➥ v = 86.41 m/s

So, 86.41 m/s penny would be fall.

During a lightning storm, the bottom of a cloud gains a strong negative electric charge. If you were to measure the charge at the top of a tall metal pole directly under the cloud, what would you expect to observe? The top of the pole would have no charge. The top of the pole would have a positive charge.

In the given scenario, the positive charges within the pole concentrate at the top of the pole to be near the negatively charged cloud bottom.

A thunderstorm, also widely recognized as an electrical storm or even a lightning storm, is a type of storm that is distinguished by the presence of lightning and its acoustic effect on the Earth's atmosphere, which is known as thunder.

Thundershowers are thunderstorms that are relatively weak. Warm air rises and cools, condensing into small droplets of water.

If the air is sufficiently unstable, the updraft of warm air is rapid, and the water vapor forms a cumulonimbus cloud quickly. These cumulonimbus clouds typically form in less than an hour.

In the given scenario, the positive charges within the pole concentrate near the negatively charged cloud bottom at the pole's top.

Thus, this is the observation that can be expected.

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Answer:

its position relative to some zero position

Explanation:

your welcome

The force acting on a moving charge is known as the magnetic force. The force acting on the charge will be 3.75 N.

Magnetic fields only exert a force on a moving electric charge. A moving charge generates a magnetic field. With an increase in charge and magnetic field strength, this force rises.

when charges have higher velocities, the force is stronger. However, the magnetic force is always perpendicular to the velocity.

Mathematically the force exerted on the charge will be

F=qvBsinα

F= force acting on the charge= 7.5 ×10⁻²

v = velocity of charge=2.5 ×10⁴

q = charge=?

B= 8.1 ×10⁻²

F=qvBsinα

[tex]\rm{q= \frac{F}{vBsina}}[/tex]

[tex]\rm{q= \frac{7.5\times 10^-2}{2.4\times 10^-2 \times 8.1\times 10^-2 sin25^0}}[/tex]

q = [tex]8.8 \times 10^ {-5}\rm C[/tex]

Hence the value of the charge will be [tex]8.8 \times 10^ {-5}\rm C[/tex].

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Movement occurs on the compass when there is magnetic field in the surrounding environment.

The movement of the needle appears which represents the presence of magnetic field. The moving compass around confirm that there magnetic field present in that region because the magnetic field is detected by the compass.

A magnetic field is invisible force which can be detected by a compass. A compass contains a small bar magnet which can rotate when it experience magnetic field around it so we can conclude that movement occurs on the compass when there is magnetic field in the surrounding environment.

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Answer: becaue they can burn your body part it i important to tudy chemicals in cloed container

Explanation:

Answer:

There are plenty of reasons why. For some reactions, the system needs to be closed to avoid any alterations to the reaction. It can also be for protection, repeatability, and consistency.

Answer:

They are provided with keen senses of sight, smell and hearing.

Answer:

Terrestrial animals

Answer:

any two difference between negative and positive charge

➢The matter is positively charged if it contains more protons than electrons, and it is negatively charged if it contains more electrons than protons.

Explanation:

I hope it will help you.....

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Answer:

timothy 50

jovanniel 80

PJ 100

Explanation:

tras me

Answer:

Explanation:

Power = work / time

P = 400 J / 5 s

P = 80 watts