Which of the following employees derives their income from a fee for the items sold?
a commission
b. piece rate
c.salaried
d. tip

Please select the best answer from the choices provided

Answer:

Capacitor

Explanation:

Capacitor ; A capacitor is a passive two-terminal electrical component that can store energy in an electric field electrostatically. It works as a small rechargeable battery that stores electricity. However, unlike a battery, it can charge and discharge in the split of a second. Capacitors are widely used to build different types of electronic circuits.

Blue is shorter in wavelength and red is greater in wavelength. So the blue light refract more than red light in a converging glass when passing through the same medium. So the blue object will form an image closer to the lens than the red object.

Converging lens forms a real image of an object at a distance beyond its focal length if the object is beyond twice the focal length of the lens. So the real image is formed at the same distance on the opposite side of the lens.

When a blue placed near to red object, its image will also be formed by the same lens. We know that blue is shorter in wavelength and red is higher in wavelength.

It will have a different refractive index also. So we can say blue and red will bent differently by the lens.

Image of the blue object will form closer to the lens. This is because of the shorter wavelength. As a result it will bent more by the lens.

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From summation and resultant of forces, the four answers are:

i.  ∅ = 34 degrees

ii. M = 0.48 kg

iii. V = 37.5 m/s

iv. V = 37.5i + 0j + 0k

Given that Three forces acting on an object are

F1 = (−2.00 i + 2.00 j) N

F2 = (5.00 i − 3.00 j) N

F3 = (−45.0 i) N.

If the object experiences an acceleration of magnitude 3.75 m/s2.

i. The direction of the force will be the direction of the acceleration.

Sum of the forces = (-2 + 5 - 4.5)i + (2 - 3 + 0)j

Sum of the forces = -1.5i -j

The acceleration direction will be

tan∅ = \(\frac{y}{x}\)

tan∅ = \(\frac{1}{1.5}\)

∅ = \(tan^{-1}\) (0.67)

∅ = 34 degrees (approximately)

ii. The mass of the object can be calculated from Newton's law.

Resultant force = mass x acceleration.

Resultant force = \(\sqrt{1.5^{2} + 1^{2} }\)

Resultant force = \(\sqrt{3.25}\)

Resultant force = 1.8N

Then,

1.8 = 3.75M

M = 1.8 / 3.75

M = 0.48 kg

iii. If the object is initially at rest, the speed of the object after 10.0 will be calculated by using first equation of motion.

V = U + at

Where U = 0

V = 0 + 3.75 x 10

V = 37.5 m/s

Therefore, the speed of the object after 10.0 is 37.5 m/s

iv. The velocity components of the object after 10.0 are

V = 37.5i + 0j + 0k

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Answer:

It does not hit the students face because the speed of the balloon slows down as energy is lost through thermal.

Explanation:

Answer:

potential energy is like compressed - spring like

Explanation:

Answer:

built up

Explanation:

Because potential means still, it’s possibility’s while kinetic energy is in motion

hope this helps chase

The explanation about "red balloon will move forward in an accelerating car"  is given below:

Acceleration is a vector quantity that describes the rate at which an object changes its velocity. It is the rate at which the velocity of an object changes in magnitude or direction, or both. In other words, it tells us how quickly an object is speeding up or slowing down. Acceleration has units of meter per second squared (m/s²) and its direction is the same as the direction of the change in velocity.

Bill Nye's claim that an inflated red balloon will move forward in an accelerating car.

And it can be understood through the principles of motion.

When a car is accelerating, its velocity changes, and this creates a force called the "inertial force" that acts in the opposite direction of the acceleration. This force is also referred to as the "fictitious force" or the "centrifugal force."

Hence, the inflated red balloon does move forward in an accelerating car.

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The planetary body with the fastest orbit is Mercury, and the one with the slowest orbit is Neptune.

There is a general pattern between orbital velocity and orbital radius known as Kepler's second law of planetary motion. According to this law, a planet sweeps out equal areas in equal times as it orbits the Sun. This implies that planets closer to the Sun have smaller orbital radii and must travel faster to cover the same area in the same amount of time.

The relationship between orbital velocity and orbital radius can be expressed as v ∝ 1/r, where v represents the orbital velocity and r denotes the orbital radius. This relationship shows that as the orbital radius increases, the orbital velocity decreases. In other words, planets farther from the Sun have slower orbital velocities compared to those closer to the Sun.

This pattern is consistent with observations in our solar system. The inner planets, such as Mercury, have smaller orbital radii and faster orbital velocities, while the outer planets, like Neptune, have larger orbital radii and slower orbital velocities.

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The Conditions Young's double slit experiment uses two coherent sources of light placed at a small distance apart. Usually, only a few orders of magnitude greater than the wavelength of light are used. Young's double slit experiment helped in understanding the wave theory of light.

The double-slit experiment demonstrates that light and matter may exhibit both conventionally defined waves and particles; moreover, it demonstrates the inherently probabilistic nature of quantum mechanical events. Thomas Young initially performed this sort of experiment in 1801, as proof of visible light's wave behavior.

The Light was assumed to be made up of either waves or particles at the time. Around a hundred years later, at the dawn of modern physics, it was discovered that light could indeed exhibit wave-like and particle-like behavior.

If the light source is not coherent or monochromatic, the fringes will be blurred and there will be no interference pattern.

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The magnitude of the charge on the ball is 0.72 μC.

The magnitude of the charge on the ball is calculated by applying Newton's second law of motion Coulomb's law as follows;

Mathematically, the formula for Newton's second law of motion and coulomb's law is given as;

F = mg

F = kq²/r²

where;

kq²/r² = mg

q² = ( mgr² ) / ( k )

q = √ ( mgr² / k )

The magnitude of the charge on the ball is calculated as follows;

q = √ ( 0.003 x 9.8 x 0.4² / 9 x 10⁹ )

q = 7.2 x 10⁻⁷ C

q = 0.72 x 10⁻⁶ C = 0.72 μC

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Answer:

Explanation:

mass of 1 L water = 1 kg .

200⁰F = (200 - 32) x 5 / 9 = 93.33⁰C .

260.928 K = 260.928 - 273 = - 12.072⁰C .

water is at higher temperature .

Let the equilibrium temperature be t .

Heat lost by water = mass x specific heat x  fall of temperature

= 1 x 4.2 x 10³ x ( 93.33 - t )

Heat gained by copper

= .25 x .385 x 10³ x ( t +  12.072 )

Heat lost = heat gained

1 x 4.2 x 10³ x ( 93.33 - t ) = .25 x .385 x 10³ x ( t +  12.072 )

93.33 - t = .0229 ( t + 12.072)

93.33 - t = .0229 t + .276

93.054 = 1.0229 t

t = 90.97⁰C .

Answer:

But if you place a clear container filled with hydrogen gas between the flashlight and the prism, gaps appear in the smooth rainbow of colors, places where the light literally goes missing. The dark absorption lines of a star at rest (left) get shifted towards red if the star is moving away from Earth (right)

Explanation:

Answer:

Weight is ambiguous; depending on which meaning you use, either 12 kg or 117.7 N. Since you haven’t mentioned any other forces and assuming it is on earth, the force of gravity acting on 12 kg is about 117.7 N. That is one meaning of weight, the other (in law and commerce) is the mass.

Oh, in Customary, about 26.5 lb (mass) or 26.5 lbf (gravity).

See, weight = mass × acceleration due to gravity.

From the ques, we already have mass(12 kg) and acceleration(9.8 m/s²)

It's pretty simple now,

w = mg

w = 12 × 9.8

w = 117.6 N

Answer:

\(\huge\boxed{\sf F= 350 \ N}\)

Explanation:

Considering pivot as the central point,

Key:

\(F_1r_1=F_2r_2\)

Here,

Substitute the givens in the above formula.

\(F(1.2)=600(0.7)\\\\F(1.2)=420\\\\Divide \ 1.2 \ to \ both \ sides\\\\F=420/1.2\\\\F= 350 \ N\\\\\rule[225]{225}{2}\)

Answer:C

Explanation: its hard to explain but i did a quiz on it

Given, The charge entering the positive terminal of an element is q(t) = -20 e^(-4t) mC. The power delivered to the element is p(t) = 2.6e^(-3t) W.  the solution for V(s) is  (13 / 4) / (s + 1 - (a / 4)).

If the solution for v(t) is in t.

We know, p(t) = v(t) × i(t) ........(1)

Also, i(t) = dq(t) / dt ........(2)

Substituting equation (2) in equation (1), we get,p(t) = v(t) × (dq(t) / dt)

On integrating both sides, we get,

∫p(t) dt

= ∫v(t) (dq(t) / dt) dt

Let the solution for v(t) be,

v(t) = V_0 e^(-at)

So, (dq(t) / dt)

= d / dt [-20 e^(-4t)]

Therefore, dq(t) / dt

= 80 e^(-4t)

On substituting these values in the above equation,

we get∫(2.6e^(-3t)) dt

= ∫(V_0 e^(-at)) (80 e^(-4t)) dt

On solving this equation, we get the value of V_0 as,V_0

= (13 / 4) e^(a/4) .

On substituting the value of V_0 in the solution for v(t), we get

v(t) = (13 / 4) e^(a/4) e^(-at)Taking Laplace transform on both sides, we get

V(s)

= (13 / 4) ∫[e^(-t+(a/4))] e^(-st) dt

On simplifying, we get V(s)

= (13 / 4) / (s + 1 - (a / 4))

Therefore, the solution for V(s) is  (13 / 4) / (s + 1 - (a / 4)).

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Answer:

comparative----more famous, superlative----- most famous

\(\huge{\fbox{\red{Answer:}}}\)

Famous

___________________✍

Comparative Form : more famous

Superlative Form : most famous

Hope you understand❣

Answer:

Wtens = (20 N) * (5 m) * cos (0 deg) = +100 Joules

Wgrav = (20 N) * (5 m) * cos (180 deg) = -100 Joules

Wapp= (10 N) * (5 m) *cos (0 degrees) = +50 Joules

Wfrict =(10 N) * (5 m) * cos (180 degrees) = -50 Joules

Wapp = (10 N) * (5 m) * cos (0 deg) = +50 Joules

Wfrict = (10 N) * (5 m) * cos (180 deg) = -50 Joules

Explanation:

Apply the work equation to determine the amount of work done by the applied force in each of the three situations described below.

Answer:

To help push yourself to reach the goal, It can also help you pace yourself time wise

Explanation:

Answer:

It is a physical

Explanation:

The vertical component of velocity here is 0.509 m/s. Then the vertical distance in 1 s is being 0.509 m. Then the potential energy is 174.5 J.

Potential energy of an object is generated by virtue of its position from a height h from the ground. It is related to the mass and gravity and the height h as follows:

p = mgh.

The velocity of the child = 6.5 m/s

vertical component of v = 6.5 sin 4.5° = 0.509 m/s

thus, vertical distance or height moved in 1 s  = 0.509 m

mass of the child = 35 kg

then potential energy p = 35 kg× 0.509 m/s × 9.8 m/s² = 174.5 J

Therefore, the potential energy being lost will be 174.5 J.

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Hi there!

We can use the work-energy theorem to solve.

Recall that:
\(E_i = E_f\)

The initial energy equals the final energy (Conservation of Energy). However, we must take into account energy dissipated due to friction in this instance.

The energy lost due to friction is equivalent to the work done by friction. Recall the following:

The work due to a force is:
\(W = F \cdot d \\\)

Since the displacement is in the same direction as the force, the dot-product becomes Fd.

The work due to friction then becomes:

\(W_f = \mu mgdcos\theta\)
The work due to friction is SUBTRACTED from the initial potential energy.

Initial energy = GPE = mgh

Final energy = KE

Therefore:

\(\boxed{mgh - \mu mgdcos\theta = KE}\)

To find the voltage of the combined drops, we can just add the voltage of both drops together.

2(235.15) = 470.3 Volts

The potential energy of a car moving with constant speed during downhill converts into heat energy or sound energy during braking.

Energy cannot be created or destroyed, according to the law of conservation of energy. However, it is capable of change from one form to another.

When a car goes downhill, its potential energy decreases but as the driver applied braking, the gain in potential energy lost during work against the frictional force applied by the brake and converts into  heat energy or sound energy during braking.

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Answer:

It says about the motion and the graph of the object is stationary, basically travelling at the same speed at any time of the graph. It will never change.

Explanation:

To draw a diagram:

1. Draw an object and represent the speed as stationary and constant at any time.

Answer:False.

Explanation: HIV is a viruse that only shows symptoms after a few weeks. in Fact HIV does not show any physical symptoms. So, no you can not tell if someone has or is been infected by HIV by directly looking at them.

Have a Nice Day!!! =)

The equation for pendulum motion is T = 2π√(l/g), where T represents the period of oscillation, l represents the length of the pendulum, and g represents the acceleration due to gravity.

A pendulum is a simple device consisting of a mass (known as the bob) suspended from a fixed point by a string or rod. When the bob is displaced from its resting position, it swings back and forth in a repetitive motion known as oscillation.

The period of oscillation (T) of a pendulum depends on its length (l) and the acceleration due to gravity (g). The longer the pendulum, the longer the period, and the greater the acceleration due to gravity, the shorter the period.

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Option B. The mechanical advantage of a handle on a water well that requires 5 newtons of force to lift a 40-Newton bucket of water is 8.

Mechanical advantage is a measure of the force amplification completed by means of the usage of a device, mechanical tool or gadget device. The device trades off input forces towards motion to gain a preferred amplification in the output pressure.

The version for this is the regulation of the lever. The mechanical advantage is the degree how which tons of force is increased with the aid of using a device or gadget. it is equal to the pressure exerted with the aid of the tool or system divided via the carried-out effort.

calculation:-

Mechanical advantage = load/effort

                                       = 40/5

                                       = 8

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Metamorphic rock: A rock changed by heat, pressure, and fluids.

Foliation: Parallel alignment of platy grains.

Burial metamorphism: A process that changes rock because of pressure with equal intensity from all sides.

Parent rock: The original rock before it metamorphoses.

Metamorphic rock: A rock changed by heat, pressure, and fluids. The word metamorphic means change in form. Metamorphic rocks are made by rocks that have been altered in some way. This can happen through heat, pressure, and fluids. Examples of metamorphic rocks include slate, gneiss, and marble.

Foliation: Parallel alignment of platy grains. Foliation is a term used to describe the parallel alignment of platy grains in a metamorphic rock. This is caused by pressure during metamorphism. The platy grains can be minerals like mica or clay.

Burial metamorphism: A process that changes rock because of pressure with equal intensity from all sides. Burial metamorphism is a process that changes rock because of pressure with equal intensity from all sides. This can happen when rocks are buried deep within the earth's crust.

Parent rock: The original rock before it metamorphoses. The parent rock is the original rock before it metamorphoses. This rock is changed into a metamorphic rock through the process of metamorphism.

To summarize, metamorphic rock is a rock that has been changed by heat, pressure, and fluids. Foliation refers to the parallel alignment of platy grains. Burial metamorphism is a process that changes rock because of pressure with equal intensity from all sides. The parent rock is the original rock before it metamorphoses.

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