Answer:
The ball travels faster when Mike throws it.
Explanation:
Mike throws the ball harder, with a greater force, so the ball travels faster when Mike throws it than when Joe does.
PLEASE TELL ME IF IM CORRECT!! IF IM NOT PLS SAY WHAT THE ANSWER IS!!!
Great work on the first one.
The second one is Spring.
(The next position will be #1.
In #1, the southern hemisphere will be tilted toward the sun, so it will be Summer there.
The position just before Summer is Spring.)
Which one of these contains two carbon atoms and six hydrogen atoms
A 5.1kg iron skillet is heated to 373K from an initial temperature of 295K. How much thermal energy was transferred?
Answer:
the thermal energy transferred is 183,226.68 J
Explanation:
Given;
mass of iron skillet, m = 5.1 kg
initial temperature, t₁ = 295 K
final temperature, t₂ = 373 K
The thermal energy transferred is calculated as;
Q = mcΔt
where;
Δt is change in temperature, = t₂ - t₁
c is specific heat capacity of iron = 460.6 J/kg.K
Q = 5.1 x 460.6 x (373 - 295)
Q = 183,226.68 J
Therefore, the thermal energy transferred is 183,226.68 J
If the initial speed of the ball was increased, the time of flight of the ball would
1) decrease 2) increase 3) remain the same
Answer:2 increase
Explanation:
How powerful is a
mobile charger with
an output voltage of
5V and a current of
2A?
Answer:
P = 10 Watts
Explanation:
Given that,
The voltage of a mobile charger, V = 5 V
Current, I = 2 A
We need to find the power of the charger. The formula for the electric power is given by:
P = VI
So,
[tex]P=5\ V\times 2\ A\\\\P=10\ W[/tex]
So, the power of the mobile charge is 10 watts.
name two types of sound wave
Explanation:
two types of sound wave
transverse wave Longitudinal waveIdentify the two layers of the earth in which the actual temperature is hotter than the melting point
Answer:
outer core.....
The two layers of the earth where the actual temperature is hotter than the melting point is outer and inner core.
Layers of the earthThe Earth is separated into four layers.
These layers are the crust, the mantle, the outer core, and the inner core.
The hottest layer is the inside of the Earth.
The inner core is more hot than the outer core.
The force on the inner core is higher.
Therefore we can conclude that both the inside layers of the earth are hotter than the melting point.
Learn more about the Earth’s crust here:
brainly.com/question/7786540
Mechanical Advantage!
Need help fast.
The ________________of an element is the average mass of the element’s ____________________.
Answer:
The average atomic mass (sometimes called atomic weight) of an element is the weighted average mass of the atoms in a naturally occurring sample of the element. Average masses are generally expressed in unified atomic mass units (u), where 1 u is equal to exactly one-twelfth the mass of a neutral atom of carbon-12.(I hope this helps!)
You have 12 Mohms of resistance, 9 amps of current, what is the voltage within the circuit?
[tex] \sf• \: We \: have \: 12 \: ohms \: of \: resistance, \: 9 \: amps \: of \: current.[/tex]
[tex] \\ [/tex]
[tex]\bf{ \underline{To \: Find :- }}[/tex][tex] \sf{• \: The \: Voltage\: within \: the\: circuit. }[/tex]
[tex] \\ [/tex]
[tex] \huge\bf{ \underline{ Solution:- }}[/tex]
[tex] \sf According \: to \: the \: question, [/tex]
[tex] \sf• \: Current \: (I) = 9 \: Amps.[/tex]
[tex] \sf• \: Resistance \: (R) = 12 \: Ω[/tex]
[tex] \sf{We \: know \: that, }[/tex]
[tex] \bf \red{ \bigstar{ \: V = IR }}[/tex]
[tex] \rightarrow \sf V = 9 \times 12[/tex]
[tex] \rightarrow \sf V = 108[/tex]
[tex] \\ [/tex]
[tex] \sf \purple{Therefore, \: the \: voltage \: within \: the \: circuit \: is \: 108 \: v \: .}[/tex]
The attaction between magnets is a chemical property.
True
Or
False
Answer:
false its an attraction property
Answer:
True
The attraction is a chemical property.
Some knowledge of radioactivity would be useful for understanding which of
the following?
Check all that apply.
A. certain medical procedures
n B. radon in homes
C. rocket boosters on the space shuttle
O D. determining ages of fossils
SUBMIT
Some knowledge of radioactivity would be useful for understanding the certain medical procedures. Option A is correct.
What is radioactivity?The act of producing radiation spontaneously is known as radioactivity. This is accomplished by an unstable atomic nucleus that want to give up some energy in order to move to a more stable form.
Radiation is being employed to assist humanity in medical, academia, and industry, as well as to generate power.
Radiation is also important in agriculture, archaeology, space exploration, law enforcement, geology a variety of other fields.
Some knowledge of radioactivity would be useful for understanding the certain medical procedures.
Hence, option A is correct.
To learn more about the radioactivity, refer to the link;
https://brainly.com/question/1770619
#SPJ2
BRAINLIEST WILL BE REWARDED TO THE CORRECT ANSWER
How does the Half-life setting affect how quickly the simulated substance decays?
The greater the half-life is, the faster the rate of decay will be.
The greater the half-life is, the slower the rate of decay will be.
The smaller the half-life is, the slower the rate of decay will be.
The half-life does not affect rate of decay.
Answer:
the greater the half life is the slower the rate of decay will be.
Explanation:
half life of a radioactive substance is inversely proportional to the radioactive decay.
Answer:
B. The greater the half life is, the slower the rate of decay will be
Explanation: Most living things contain carbon-14, an unstable isotope of carbon that has a half-life of around 5,000 years. That means that when scientists dig up fossil bones, they can figure out how old they are by measuring the amount of carbon-14 remaining in the bones.
What conclusion can be drawn from the fact many of the best international players want to play in the NBA
Answer:
The NBA is a place the best players want to show off their talents at and possibly be very successful.
Explanation:
The players would like fame, the games, and fans that would cheer their name.
you are on a walk moving at 3m/s forward what would happen i you stepped off onto the floor? what if you stepped onto another walkaway moving with the same velocity?
Answer:
1) The person ma tend to fall
2) The person will remain upright
Explanation:
1) According to Newton's first law of motion, an object will continue in its state of rest or maintain its uniform motion on a straight line unless acted on by a force
Therefore, when a person steps off onto the floor from a walkway moving at 3 m/s, the friction between the floor and the person's feet prevents the forward motion of the feet, however the person's upper body will tend to continue with the forward motion, and the person may tend to tilt and fall over
2) If the person steps onto another walkway moving with the same velocity, the initial velocity of all parts of the person's body is maintained, such that the person will continue in his uniform motion without experiencing any force and therefore, the person will remain upright
Why would a tuba have a lower pitch than a trumpet. Be sure to discuss air molecules in your answer!
Answer:
The tuba is the biggest, and among the newest, of all the brass instruments. Tuba players create the low-pitched sound by making a kind of "buzz" with their breath against the mouthpiece and pressing the tuba's valves to form notes.
Explanation:
in other words it because less air molecules are abloe to go through the mouth peiece of the tuba
What is one thing magnetism and electricity have in common ?
Properties of helium
Answer:
Helium has many unique properties: low boiling point, low density, low solubility, high thermal conductivity and inertness, so it is use for any application which can explioit these properties. Helium was the first gas used for filling balloons and dirigibles
A 3 kg purple ball moving at 2 m/s to the right collides with a 2 kg white ball at rest. After the collision the purple ball comes to rest (0 m/s). What is the velocity of the white ball after the collision?
Answer:
1.2m/s
Explanation:
Using the law of conservation of energy
m1u1+m2u2 = (m1+m2)v
v is the common velocity after collision
Substitute the given values
3(2) + 2(0) = (3+2)v
6 + 0 = 5v
v = 6/5
v = 1.2m/s
Hence the velocity of the white ball after the collision is 1.2m/s
THE RIGHT ANSWER WILL RECEIVE A BRAINLESS AND POINTS AND THANKS!!! THE RIGHT ANSWER WILL RECEIVE A BRAINLESS AND POINTS AND THANKS!!! What is the fundamental frequency of a mandolin string that is 42.0 cm long when the speed of waves of the string is 329 m/s? with working outs
Answer:
[tex]f_{o}[/tex] = 391.67 Hz
Explanation:
The sound of lowest frequency which is produced by a vibrating sting is called its fundamental frequency ([tex]f_{o}[/tex]).
The For a vibrating string, the fundamental frequency ([tex]f_{o}[/tex]) can be determined by:
[tex]f_{o}[/tex] = [tex]\frac{v}{2L}[/tex]
Where v is the speed of waves of the string, and L is the length of the string.
L = 42.0 cm = 0.42 m
v = 329 m/s
[tex]f_{o}[/tex] = [tex]\frac{329}{2*0.42}[/tex]
= [tex]\frac{329}{0.84}[/tex]
[tex]f_{o}[/tex] = 391.6667 Hz
The fundamental frequency of the string is 391.67 Hz.
Calculate equivalent resistance in the following between points P and Q
[tex] \sf{(i) \: We \: are \: given \: a \: figure \: of \: Series \: Circuit. }[/tex]
[tex] \sf{Here \: Resistances \: are ,}[/tex]
[tex] \sf• \: R_{1} =3 Ω[/tex]
[tex] \sf• \: R_{2} =3Ω[/tex]
[tex] \sf• \: R_{3} =3Ω[/tex]
[tex] \sf{We \: know \: the \: formula \: of \: the \: Equivalent \: Resistance \: for \: Series \: Circuit, }[/tex]
[tex] \bf \orange {\bigstar {\: R_{s} = R _{1} + R _{2} + R_{3}+...+ R_{n}}}[/tex][tex] \sf ⇒ R_{s} =(3 + 3 + 3)Ω[/tex]
[tex] \sf \therefore R_{s} =9Ω[/tex]
[tex] \sf \pink{ \boxed{Answer : 9 Ω.}}[/tex]
[tex] \\ \\ [/tex]
[tex] \sf{(ii) \: We \: are \: given \: a \: figure \: of \: Parallel \: Circuit. }[/tex]
[tex]\sf{Here \: Resistances \: are ,}[/tex]
[tex] \sf• \: R_{1} =3 Ω[/tex]
[tex] \sf• \: R_{2} =3 Ω[/tex]
[tex] \sf• \: R_{3} =3 Ω[/tex]
[tex] \sf{We \: know \: the \: formula \: of \: the \: Equivalent \: Resistance \: for \: Parallel \: Circuit, }[/tex]
[tex] \bf \orange {\bigstar {\: \frac{1}{R_{p}} = \frac{1}{R _{1}} + \frac{1}{R_{2}} + \frac{1}{R_{3}}+...+\frac{1}{R_{n}} }}[/tex][tex] \sf⇒ \frac{1}{ R_{p} } = \frac{1}{3} + \frac{1}{3} + \frac{1}{3} [/tex]
[tex] \sf⇒ \frac{1}{ R_{p} } = \frac{1 + 1 + 1}{3} [/tex]
[tex] \sf⇒ \frac{1}{ R_{p} } = \frac{3}{3} [/tex]
[tex] \sf⇒ \frac{1}{ R_{p} } = 1[/tex]
[tex] \sf \therefore R_{p} = 1Ω[/tex]
[tex] \sf \pink{ \boxed{Answer : 1 Ω.}}[/tex]
. Si mi mejor amigo vive a 100 metros de mi casa (una cuadra aproximadamente) y sabe qué cuando pongo una canción determinada es porque me voy a poner a bailar ¿Cuándo escuchará más rápido la música mi amigo en un día que la temperatura este en 27°C o en 36°C?
Answer:
Nuestro mejor amigo escuchará la música más rápido a una temperatura de 36 ºC (309.15 K)
Explanation:
Supongase que el aire se comporta como un gas ideal y que experimenta un proceso adiabático, entonces la velocidad del sonido ([tex]v[/tex]), medida en metros por segundo, queda traducida en la siguiente fórmula:
[tex]v = \sqrt{\frac{\gamma \cdot R_{u}\cdot T}{M} }[/tex] (1)
Donde:
[tex]\gamma[/tex] - Coeficiente de dilatación térmica, sin unidad.
[tex]R_{u}[/tex] - Coeficiente universal de los gases ideales, medido en kilogramo-metros cuadrados por mol-Kelvin-segundo cuadrado.
[tex]T[/tex] - Temperatura, medida en Kelvin.
[tex]M[/tex] - Masa molar, medida en kilogramos por mol.
Como se puede ver, la velocidad del sonido es directamente proporcional a la raíz cuadrada de la temperatura. Por tanto, nuestro mejor amigo escuchará la música más rápido a una temperatura de 36 ºC (309.15 K)
Cutting down the forest reduces the size of animal habitats, increases erosion, and results in an increase in the amount of carbon dioxide in the atmosphere. In order to stop the harmful effects of cutting down trees, humans can A. clean up litter along the sides of the road. B. clear away the tree trunks and leave the land bare. C. dig up the land and use it as a landfill. D. plant more trees where forests are cut down.
Answer: D. plant more trees where forests are cut down.
Explanation:
Deforestation has to do with the cutting down of trees. Cutting down the forest reduces the size of animal habitats, increases erosion, and results in an increase in the amount of carbon dioxide in the atmosphere.
Ok order to tackle the above, it is necessary that we should plant more trees where forests are cut down.
A force of 3kN acts on a car to make it accelerate by 1.5m/s/s. What is the mass of the car?
Answer:
2
Explanation:
To find force it's force = mass times acceleration so to find mass you would divide force by acceleration
A 50,000 kg train car moving at 2 m/s collides and connects to another identical car initially at rest.
Complete question:
A 50,000 kg train car moving at 2 m/s collides and connects to another identical car initially at rest. Find the velocity of the two cars immediately after collision.
Answer:
The final velocity of the two cars after collision is 1 m/s.
Explanation:
Given;
mass of first car, m₁ = 50,000 kg
mass of the second car, m₂ = 50,000 kg (identical to first car)
initial velocity of the first car, u₁ = 2 m/s
initial velocity of the second car, u₂ = 0
let the final velocity of the two cars after collision = v
The final velocity of the two cars can be calculated from law of conservation of linear momentum for inelastic collision.
m₁u₁ + m₂u₂ = v(m₁ + m₂)
50,000 x 2 + 50,000 x 0 = v(50,000 + 50,000)
100,000 = 100,000v
v = 100,000 / 100,000
v = 1 m/s
Therefore, the final velocity of the two cars after collision is 1 m/s.
When a bat hits a baseball, what is transferred from the bat to the ball?
Answer:
kinetic energy
Explanation:
A man of weight Wman is standing on the second floor and is pulling on a rope to lift a box of weight Wbox from the floor below. The rope, which is of negligible weight, has tension T in it, but the pull of the rope is insufficient to lift the box off the floor. What is the magnitude of the normal force that the second floor exerts on the man in this situation?
Answer:
Explanation:
See the attached figure . See the forces acting on man pulling up the box .
Man is stationary so net force acting on man is zero .
T + R = Wman
R is the reaction force of the ground of second floor .
R = Wman - T
what energy change takes place when the cell absorbs sunlight
Answer:
It is called photosynthesis.
Explanation:
Use the drop-down menus to complete the sentences describing what happens when the temperature of a fluid
ncreases.
The kinetic energy of the molecules
The speed of the molecules
The density of the fluid
The fluid
Answer:
The kinetic energy of the molecules increases as it heats up causing it to vibrate faster and faster.
Explanation:
A stalled car is pushed with a force of 342 N from rest. How far does the car travel in 12 seconds if its mass is 989 kg?
Answer:
Roughly 25 meters
Explanation:
Use the formula D=1/2*a*t^2 where d=distance, a=acceleration, and t=time
Plug in all the variables we know...
D=1/2*a*12^2
in order to solve for acceleration, we use the formula F=ma where F=force, m=mass, and a=acceleration.
Plug in known variables,
342N=989kg*a
solve for a and we get...
342N/989kg=a
Now that we know the acceleration, we can plug that into our original equation and solve for distance.
D=1/2*342N/989kg*12s^2
Simplify,
D=72s^2*342N/989kg
D=72s^2*342kgm/s^2/989kg
D=72s^2*342m/s^2/989
D=72*342m/989
D=24624/989 meters, or 24.898meters which rounds up to 25.