Answer:
Explanation:
Electromagnetic waves are categorized according to their frequency f or, equivalently, according to their wavelength λ = c/f. Visible light has a wavelength range from ~400 nm to ~700 nm.
The electromagnetic spectrum (EMS) is the general name given to the known range of electromagnetic radiation. Wavelengths increase from approximately 10-18 m to 100 km, and this corresponds to frequencies decreasing from 3 × 1026 Hz to 3 ×103 Hz.
An automatic shotgun has a mass of 10 kg. It fires 30 g bullets at the rate of 6 bullets per second with a speed of 400 m/s. What force must be applied to the gun to keep it in position?
Answer:72 N
Explanation: thats whats right
A train is traveling at a constant rate of speed of 64 kilometers per hour. How many
hours will it take the train to travel a distance of 160 kilometers?
Please provide the units with it
Answer:
2.5 hours
Explanation:
we know that the train travels 64km every hour so we just need to divide 160km by 64km to see how many hours it will take
160÷64= 2.5
hope this helps chu :3
a man of mass 50 kg on the top floor of skyscraper step into an elevator what is the max weight as the elevator moves downward
At present, NASA is planning a mission to Europa, to try and assess its habitability. An argument might also be made for Enceladus, however. Let's imagine you had to pick one of those moons to send an uncrewed (i.e. robotic) mission to. The spacecraft will probably orbit the giant planet (Jupiter in the case of Europa, Saturn in the case of Enceladus), and make many flybys of the moon you're studying. Which moon would you pick, and why?
Answer:
Jupiter
Explanation:
For this space trip, the distance to the planet must be taken into account, so Because Jupiter is much closer it should be the correct choice
.
It must also be taken into account that Saturn has a series of rings, for which the ship has a probability of colliding with one of these in one of its turns, therefore taking this into account, Jupiter must also be chosen.
A boundary with a small opening. There is a vector straight from the opening labeled D and an angle labeled theta to another ray, both striking a surface with a red point. The distance between the two red points is labeled y. A laser diffraction pattern results in y = 6.0 cm, and the distance from the gap to the screen is D = 12 cm. The tangent of θ would be equal to . Calculating the inverse (tan–1) of the value for the tangent of θ would give us a diffraction angle, θ, of degrees.
Answer:
The tangent of θ would be equal to 0.5
Calculating the inverse (tan–1) of the value for the tangent of θ would give us a diffraction angle, θ, of 27 degrees.
Explanation:
edge 2021
Calories tell you how much energy is in a food. True or False
Answer:True. The number of calories in a food is a measure of how much potential energy that food possesses.
Explanation:
QUESTION 1
The two human thighbones (femurs) each have a cross-sectional area of 10 cm and they support
the upper part of a human body of mass 40kg. Calculate the average pressure sustained by each of
the femurs. (1mk)
Answer:
2 * 10^5 pa
Explanation:
Pressure = Force / Area
Each thigh bone has a cross sectional area of 10cm²
Both thigh bones :
2 * 10cm² = 20cm²
To m² : 20 * (0.01)²
20 * 0.0001 m² = 0.002 m²
Force = mass * acceleration due to gravity(g)
g = 10m/s² ;
Force = 40 * 10 = 400N
Pressure = 400 N / 0.002 m²
Pressure = 200,000 N/m² = 2 * 10^5 pascal
How much work would be required to lift a 50 N box to a height of 5.0 m?
jskajkjsakjsjsasajjasjkAnswer:
.mksadjijsijasExplanation:.l
What would the volume of a gas be at –125oC, if it had a volume of 693 mL at 45oC?
Answer:
322.5mL
Explanation:
According to Charles's law, which state that at constant pressure the volume of fixed mass of a gas is proportional directly to it's temperature.
This can be expressed as
V1/ T1 = V2 / T2
Where
V1= initial volume= 693 mL
V2= final volume
T2= final temperature=( –125°C + 273)= 148K
T1= initial temperature= (45°C+ 273)=318K
V1/ T1 = V2 / T2
693/318 = V2/148
693×148 = 318 × V2
V2=102564/318
= 322.5mL
What are important considerations to make when designing your own cross-training routine?
Answer: First, you don’t want to make the program too hard or too easy. It has to match your current physical fitness level. You want to be smart about how many sets and reps you choose. Next, I recommend choosing exercises that you like to do. It doesn’t make any sense to put yourself through something that isn’t fun. Also, I think picking the place where you exercise and planning out the program is important. If all your equipment isn’t in one place, you’ll have a hard time finishing the program. You don’t have to spend a lot of money to design a challenging program.
Explanation: EDMENTUM
What is the speed of a Ball rolling South 50 meters in 2 seconds?
Answer:
25m/s
Explanation:
speed = distance/time = 50/2 = 25
What is the processes called when matter, that is a liquid, transforms into a solid?
Your answer:
Freezing
Vaporization (Evaporation)
Melting
What problems do you think might arise from not having a clear definition of "high crimes and misdemeanors"?
Answer:
People might misunderstand it and problems might happen because the audience will have different opinions.
Explanation:
Calculate the current flowing if a charge of 36 kilocoulombs flows in 1 hour.
Answer:
Current = 10 Amperes.
Explanation:
Given the following dat;
Quantity of charge, Q = 36 kilocoulombs (KC) = 36 * 1000 = 36000C
Time = 1 hour to seconds = 60*60 = 3600 seconds
To find the current;
Quantity of charge = current * time
Substituting in the equation
36000 = current * 3600
Current = 36000/3600
Current = 10 Amperes.
A form of energy NOT associated with the particles of objects is
thermal energy
mechanical energy
nuclear energy
chemical energy
Answer:
mechanical energy
Explanation:
In science, matter can be defined as anything that has mass and occupies space. Any physical object that is found on earth is typically composed of matter. Matter are known to be made up of atoms and as a result has the property of existing in states.
Generally, matter exists in three (3) distinct or classical phases and these are;
1. Solid: it is the state of matter in which the physical substance has a definite shape and fixed volume but not compressible. Examples of solids are pen, screwdriver, television, car etc.
2. Liquid: it is the state of matter in which the physical substance can be poured and it takes the shape of its container. Also, liquids generally have a definite volume. Examples of liquids are urine, water, milk, blood etc.
3. Gas: it is the state of matter in which the physical substance has no definite shape or volume and as a result fills all available space. Also, gases are easily compressible and can flow. Examples of gases are hydrogen, oxygen, argon, nitrogen etc.
Generally, the form of energy associated with the particles of objects include thermal energy, nuclear energy and chemical energy.
However, a form of energy not associated with the particles of objects such as an atom is mechanical energy.
Green light (525 nm) passes through a
diffraction grating with d = 3.33 x 10-6 m.
What is the angular separation between
the first (m = 1) and second (m = 2)
maximum?
[?]°
Remember: nano means 10-9
Answer:
9.33
Explanation:
Answer:
9.33
Explanation:
Acellus
Give 5 star is correct
this is what I need help with
Answer: transverse wave
Explanation: the particles are moving up and down
Will give brainliest
Magnesium in group 2 has an oxidation number of +2. Which group would it easily react with?
Group 13
Group 1
Group 18
Group 16
Answer:
I think 18 not entirely sure though
Explanation:
Group 18 are the noble group so 16 + 2 = 18
What is the distance of a person walking 20 m North, and then walks 20
meters South?
Answer:
40m
Explanation:
distance = length traveled = 20+20 = 40
What ideas do you have about what determines how currents like this move?
A deer is walking at 2.27speeds up to 13.42 m/s, covering a distance of 53.2 meters during this acceleration. How much time did it take him to do this.
Answer:
t=3.964s
Explanation:
Use t=d/s
t=53.2m/13.42m/s= 3.964s
is this correct?........
I believe it is, but report if I'm wrong.
Answer:
I think means of transportation would be muscles and structural support would be bones. Removes waste could be kidneys instead. The others seem right. This is just what I think but I'm not sure
Write in the word "stronger" or "weaker." The bigger and
heavier an object is, the
the force of gravity
between them.
Answer:
weaker has the heavier of an object
Directions: Name 2 kitchen tools, equipment or materials you are going to
store or stack in the following drawers and cabinets.
1. Flat drawer
2. Upper cabinet
3. Small drawers near countertops
4. Lower cabinets
pa answer po 4 star sa sasagot
po
Answer:
silverware and tupperware?
12. Two immiscible liquids are poured in a container to the levels shown in the
below. If the densities of the liquids A and B are 1g/cm3 and 0 sem respected
the pressure acting upon solid C at the bottom of the container due to the liquids (4mk
Answer:
sorry hindi ko alam ang sagot
How many phase conductors are installed between the switch and the light fixture shown in the figure? A. Four
B. Three
C. Two
D. Five
Answer:
TWO
Explanation:
A 24 kg rock is hanging on at a tree at 12 m high. How much potential energy does it have?
Answer:
Pe= 2822.4
Explanation:
Use Pe=mgh and g=9.8
So, Pe=24kg(9.8)(12m) = 2822.4
The speed of sound through alr is fastest when the air temperature is
A. 40 °C
B.60 °C
C. 0 °C
D. 20 °C
true or false: electromagnets are an example of how magnetism can create electricity.
true or false: electromagnets are an example of how electricity can create magnetism.
true or false: electromagnetic induction is where we use magnetism to create electricity.
true or false: you can change the amount of strength that an electromagnet has.
true or false: iron fillings can be use to show magnetic field lines around bar magnets but not around electromagnets.
I dont really know but i think the first one is true super sorry
Electromagnets are an example of how electricity can create magnetism is True statement.
What is Electromagnet?Permanent magnets are not the same as electromagnets. Coils of wire with electricity running through them make up electromagnets. An electromagnet's wire coils act like magnets when an electric current flows through them because moving charges produce magnetic fields.
The coils stop functioning as a magnet when the electricity is turned off. When magnetic forces are only required for brief periods of time, electromagnets are frequently used in electrical equipment.
They both make use of electromagnets, which use electricity to apply a magnetic field. Extremely strong electromagnets are used by wrecking yards to transfer heavy scrap metal or even entire cars from one location to another.
Therefore, Electromagnets are an example of how electricity can create magnetism is True statement.
To learn more about Electromagnet, refer to the link:
https://brainly.com/question/3427992
#SPJ6
An open pipe is 1.42 m long.
What is the third harmonic
frequency that it produces?
(Speed of sound = 343 m/s)
(Unit = Hz)
please help me guys will give brainliest and lots of points
Answer: The 180-Hz sinusoid is called the third harmonic, since its frequency is three times that of the fundamental frequency.
Explanation: Harmonics are integer multiples of the fundamental frequency. For example, if the fundamental frequency is 50 Hz (also known as the first harmonic) then the second harmonic will be 100 Hz (50 * 2 = 100 Hz), the third harmonic will be 150 Hz (50 * 3 = 150 Hz), and so on.