A net force of 10. Newtons accelerates an object at 5.0 meters per second2. What net force would be required to accelerate the same object at 1.0 meter per second2?

Answer:

3.91 s

Explanation:

From the question,

The height of the helicopter is given as

h = 3t²......................... Equation 1

After 5 seconds, The height of the helicopter is given as

h = 3(5²)

h = 3×25

h = 75 m.

Note: The small mailbag falls under gravity.

Hence,

h = ut + 1/2(gt²)....................... Equation 2

Where u = initial velocity of the mailbag, t = time, h = height, g = acceleration due to gravity of the mail bag.

Given: h = 75 m, u = 0 m/s ( at the maximum height).

Constant: g = 9.8 m/s²

Substitute these values into equation 2

75 = 0(t) +1/2(9.8t²)

solve for t

1/2(9.8t²) = 75

4.9t² = 75

t² = 75/4.9

t² = 15.31

t = \(\sqrt{15.31}\)

t = 3.91 s

Time Period of revolution of the astreoid around the sun is P = 8\(\sqrt{D^{3} }\) days.

The length of time it takes an astronomical object to complete one orbit around another object is known as the orbital period. In astronomy, it often refers to bodies like planets or asteroids revolving about the Sun, as well as moons circling other stars, exoplanets, and double stars.

In other words, the cube of the semi-major axis of any planet's orbit is equal to the square of the period of that planet's revolution around the sun. Despite the fact that all planetary orbits are elliptical, all save Pluto's are close enough to circular shapes to allow the word "radius" to be used instead of "semi-major axis." In other terms, the cube of a planet's distance from the sun (d) is equivalent to the square of a planet's period (P)

Let the distance of Earth from sun be D km

Distance of Astroid from sun is 4D km

Time taken by Astroid to orbit  sun be P days

Then,

P²= (4D)³

P = 8\(\sqrt{D^{3} }\)

Time Period of revolution  P = 8\(\sqrt{D^{3} }\)   days.

To learn more about Planetary Motion refer to :

brainly.com/question/13985509

#SPJ4

Answer:

23

Explanation:

atomic structure extension is very difficult to read but when done right you should get 23 yw

ANSWER:

500 J

STEP-BY-STEP EXPLANATION:

Given:

Mass of object = 10 kg

Speed = 10 m/s

The kinetic energy is calculated using the following formula:

The kinetic energy is 500 J.

A longitudinal wave is a wave in which the motion of the medium's particles is parallel to the wave's direction of propagation.

Longitudinal waves are waves in which the displacement of the medium is in the same (or the opposite) direction as the wave propagation and the medium vibration is parallel ("along") to the direction the wave travels.

Two categories of mechanical waves exist: In longitudinal waves, the movement of the particles is parallel to the motion of the energy, meaning that the medium is displaced in the same direction as the wave.

To know more about longitudinal wave visit:-

https://brainly.com/question/8497711

#SPJ4

Answer:

16 s

Explanation:

From the question given above, the following data were obtained:

Mass (m) = 40 Kg

Velocity (v) = 4 m/s

Power (P) = 20 W

Time (t) =?

Next, we shall determine the energy. This can be obtained as follow:

Mass (m) = 40 Kg

Velocity (v) = 4 m/s

Energy (E) =?

E = ½mv²

E = ½ × 40 × 4²

E = 20 × 16

E = 320 J

Finally, we shall determine the time. This can be obtained as follow:

Power (P) = 20 W

Energy (E) = 320 J

Time (t) =?

E = Pt

320 = 20 × t

Divide both side by 20

t = 320 / 20

t = 16 s

Thus, the time is 16 s

An ideal gas at 24.3°C and a pressure 1.70 x 105 Pa is in a container having a volume of 1.00 L then the number of moles of the ideal gas is 71.4 mol.

The ideal gas law states that PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature measured in Kelvin.

To determine the number of moles of an ideal gas, the equation can be rearranged to solve for n as follows:n = PV/RTwhere P = 1.70 x 10^5 Pa, V = 1.00 L, R = 8.31 J/mol K, and T = 24.3°C + 273 = 297.3 K.

Substituting these values into the equation gives:n = (1.70 x 10^5 Pa x 1.00 L)/(8.31 J/mol K x 297.3 K) = 71.4 molTherefore, the number of moles of the ideal gas is 71.4 mol.

To know more about ideal gas refer here:

https://brainly.com/question/13463215#

#SPJ11

Development length: The actual length of the bent conduit. Gain: Since a conduit bends radially rather than at an angle, the total length will not match the length required for all bends. Gain is the amount of space that is saved by a \(90^{0}\) curve.

Conduit benders from Klein Tools are built to function and last longer than even the highest professional standards. To ensure a favourable experience and significantly enhance the final result of your project, it is advised that you become familiar with bending concepts, procedures, and the bender's capabilities. The benders are labelled with various alignment symbols to enable the operator make the bends required to complete any job. This aids bending while executing a ground or air bend. Arrow, teardrop, star point, and angle markings are the symbols on the Klein Tools benders. On certain bender head sides, you can see these markings.

Learn more about bent conduit here:

https://brainly.com/question/5023977

#SPJ4

Given that the radius of the circular path is r = 142 m and the coefficient of the friction is

The condition for the car to travel safely is

Frictional force = centrifugal force

Here, m is the mass of the car and the acceleration due to gravity is g = 9.8 m/s^2.

v is the maximum speed of the car.

Answer:

should be chemical bond

Explanation:

A direct circuit is so called because it is a circuit that has only one uninterrupted path for the electric current to flow from the power source (the battery) to the load (the light bulb).

A circuit is an electrical network or system that allows the flow of electrical current. It is composed of components such as resistors, capacitors, inductors, switches, and transistors, which are connected to each other by conductive wires or traces. The components in a circuit are arranged in a way that allows electrons to flow through the circuit in a controlled manner. A circuit may have multiple paths for electrons to travel, allowing it to be used for multiple purposes. Circuit diagrams are used to represent the physical layout of a circuit, showing how the components are connected. A circuit can be used for a variety of applications such as powering a device, controlling a system, or providing a signal. Circuits are also used to create integrated circuits that are used in modern electronics.

To learn more about circuit

https://brainly.com/question/2969220

#SPJ1

The distance the car would travel when it hit the barrier before coming to a stop is 14.6 m.

The distance travelled by the car before stopping is calculated by applying third kinematic equation as shown.

v² = u² - 2as

where;

when the car stops,  the final velocity will zero, v =  0

0 = u² - 2as

2as = u²

s = u²/2a

The given parameter;

initial velocity of the car, u = 110 km/h = 30.56 m/s

a = 32 m/s²

s = (30.56²) / (2 x 32)

s = 14.6 m

Thus, when the car hits the soft barrier, it will slow down and travel a distance of 14.6 m before coming to rest.

Learn more about distance travelled here:  https://brainly.com/question/28032639

#SPJ1

Answer:

a luminous ball of plasma

An extinguisher is not suitable for a certain class of fire if it has a red diagonal line through it on a black background.

Other concepts and beliefs can be conveyed using symbols. Words, music, gestures, ideas, or visual images could all be used to describe them. For example, on maps, rivers are commonly represented by blue lines, and a red rose is frequently associated with compassion and love. A typical symbol for "STOP" is a red octagon.

When an image in a text seems to suggest something beyond its exact meaning, symbolism is present. Although authors don't always do this, it could be repeated or seem startling, as if the author is purposefully drawing attention to it.

To know more about symbol visit:

https://brainly.com/question/9718834

#SPJ4

Answer:

See explanation

Explanation:

Observe, question, research, hypothesize, experiment, review hypothesis, report results.

Answer:

B

Explanation:

The sensation of traveling through the atmosphere can be thrilling and exhilarating. As an object enters the atmosphere, it meets air resistance, which can result in friction and heat.

When traveling at high speeds, the heat from the item can cause it to glow and leave a visible trail behind it, known as a "shockwave."

Turbulence can accompany the feeling of entering the atmosphere, as the air currents around the object are disrupted by its movement. Buffeting, shaking, and other movements may occur depending on the size and shape of the item.

As an object slows and descends deeper into the atmosphere, it may encounter rising levels of atmospheric pressure and turbulence, which can cause additional sensations of motion and vibration.

Overall, traveling through the atmosphere would be a thrilling and dynamic experience, with a variety of physical sensations based on the object's speed and size, as well as the atmospheric conditions.

learn more about the atmosphere here

https://brainly.com/question/24925283

#SPJ9

Answer:

1. 4

2.0.625HZ

3.500

4. 428274940000000 or 4.2*10^14

5. 2

Explanation:

omnicalculator.com/physics/wavelength

The mass of the scoreboard is 1313.7 kg.

To find the scoreboard's mass, we need to calculate the total force acting on the scoreboard and then use the equation F = ma to find the mass.

First, let's calculate the vertical component of the force from the six cables that make an angle of 8.0° with the vertical. The vertical component of the force is given by:

Fv = F * cosθ

Where F is the tension in each cable (1300.0 N) and θ is the angle between the cable and the vertical (8.0°).

Fv = 1300.0 * cos(8.0°)

Fv = 1289.1 N

The total vertical force from these six cables is:

Fv,total = 6 * 1289.1

Fv,total = 7734.6 N

Now, let's calculate the vertical component of the force from the four cables that make an angle of 10.0° with the vertical. The vertical component of the force is given by:

Fv = F * cosθ

Where F is the tension in each cable (1300.0 N) and θ is the angle between the cable and the vertical (10.0°).

Fv = 1300.0 * cos(10.0°)

Fv = 1284.8 N

The total vertical force from these four cables is:

Fv,total = 4 * 1284.8

Fv,total = 5139.2 N

The total vertical force acting on the scoreboard is the sum of the vertical forces from the six cables and the four cables:

Fv,total = 7734.6 + 5139.2

Fv,total = 12873.8 N

Now, we can use the equation F = ma to find the mass of the scoreboard. The acceleration due to gravity is 9.8 m/s^2:

F = ma

12873.8 = m * 9.8

m = 12873.8 / 9.8

m = 1313.7 kg

Learn more about The mass of the scoreboard:

https://brainly.com/question/30795679

#SPJ11

Orion can be seen from most places in the world at some point during the year but is not seen from the same place all year long because the earth orbits the sun which result in changes in the night view.

This is referred to as a prominent constellation located on the celestial equator and visible throughout the world ans it is the most conspicuous in the night sky.

This is therefore the reason why it can be seen from most places in the world at some point during the year. During some periods, it is not seen from the same place all year long because the earth orbits the sun which result in changes in the night view and hinders people from seeing it.

Read more about Orion here https://brainly.com/question/25827433

#SPJ1

Answer:

The change in internal energy of the system is 500 J.

Answer:500J

Explanation:

From around 6500 K at the bottom to 4000 K at the top, the photosphere's temperature changes (11,000 and 6700 degrees F, 6200 and 3700 degrees C). Granulation covers a large portion of the photosphere.

The results of these many techniques indicate that the Sun's surface actually has a temperature of about 5,800 kelvin (9,980 degrees Fahrenheit [5,520 degrees Celsius]). The photosphere contains areas of darkness known as sunspots, where the temperature is comparatively lower—about 3800K. The photosphere is therefore the layer that is the coldest. It is 15 million K inside the sun (27 million degrees Fahrenheit). It is 5780 K at the surface (9900 degrees Fahrenheit).

To know more about the photosphere.

https://brainly.com/question/29127538

#SPJ4

Answer:

Its C

Explanation:

I did it on usatestprep

A cylindrical bit of graphite with a radius of 0.7 mm is subjected to a potential differential of 24 V along its length by the student.

Pencils, lubricants, crucibles, casting facings, polishes, arc lights, batteries, electric motor brushes, and nuclear reactor cores all include graphite. China, India, Brazil, N.korea, and Canada all mine large amounts of it. Graphite was inadvertently created for the first time by Edward G.

It is special in that it possesses traits common to both metals and non-metals, including flexibility without being elastic, high thermal and electrical conductivity, high refractoriness, and chemical inertness. Due to its low X-ray and neutron absorption, graphite is a particularly useful material.

To know more about Graphite visit:

https://brainly.com/question/29020014

#SPJ4

Answer:

42.5 N

Explanation:

Answer:

..

Charcoal is flammable.

Therefore, the heat required to decrease the temperature of a 40 kg object by 30 K is 1,140,000 J.

The energy absorbed or released as a substance changes phases is known as latent heat. The amount of heat needed to raise a substance's temperature by one degree Celsius (or one Kelvin) in one gramme while maintaining a constant pressure is known as its specific heat.

The heat required to decrease the temperature of an object can be calculated using the formula:

Q = m * c * ΔT

where Q is the heat required, m is the mass of the object, c is the specific heat of the object, and ΔT is the change in temperature.

Given that the object has a mass of 40 kg and a specific heat of 950 J/kg*K, and the temperature needs to be decreased by 30 K, we can substitute these values in the formula to find the heat required:

Q = 40 kg * 950 J/kg*K * 30 K

Q = 1,140,000 J

To know more about temperature visit:-

brainly.com/question/4160783

#SPJ9

Answer:

no

Explanation:

Calcium chloride is a chemical compound made up of calcium ions and chlorine ions. ... Mixing calcium chloride with water is an exothermic reaction, which means that the combination of the two substances releases heat. Thus, when you add calcium chloride to water, the solution heats.