Explanation:
The purpose of the fabric is to deflect the harmful electromagnetic radiation from the sun and other sources. Higher energy radiation such as gamma rays or UV rays can ionize the atoms in our skin and organs. Therefore, it would be beneficial to deflect that radiation
Answer:
To cope with the extremes of temperature, most space suits are heavily insulated with layers of fabric (Neoprene, Gore-Tex, Dacron) and covered with reflective outer layers (Mylar or white fabric) to reflect sunlight.
The stimuli for kinesthesis is the __________ energy of joint and muscle movement. a. thermal b. electrical c. mechanical d. chemical
The complete statement is "The stimuli for kinesthesis is the mechanical energy of joint and muscle movement.". Option C. This is further explained below.
What is kinesthesis?Generally, Kinesthetic helps in this way wherewith one's eyes closed, there is awareness of the locations of the body parts.
In conclusion, mechanical energy of joint and muscle movement is the stimuli for kinesthesis
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Which would take more force to stop in 17. 3 seconds: a 3. 2 kg ball rolling in a straight line at a speed of 0. 3 m/sec or a 4. 1 kg ball rolling along the same path at a speed of 1. 2 m/sec?
A circuit connected to a battery of 1.9 voltage. has a current of 0.07 amps. What is the resistance
of the circuit
Answer:
27.14 ohms
Explanation:
V = IR
V/I = R
1.9 v / .07 a = 27.14 ohms
Mr. Ben drove from Town A to Town B. For the first 3 hours, he
traveled at an average speed of 60 km/h, and after that, he drove at another average speed of 70 km/h. If the distance between Town A and B is 460 km, what was the total time for the whole journey?
The total time for the whole journey = 7 hours
Distance = Speed x time
Distance traveled for the first 3 hours
time = 3 hours
speed = 60 km/h
Distance = 60 x 3
Distance = 180 km
180 km was traveled for the first three hours
Total distance traveled = 460 km
Distance traveled at an average speed of 70 km/h = 460 - 180
Distance traveled at an average speed of 70 km/h = 280 km
Speed = Distance / time
70 = 280 / time
time = 280 / 70
time = 4 hours
Mr. Ben traveled 3 hours at an average speed of 60 km/h, he traveled 4 hours at an average speed of 70 km/h.
The total time for the whole journey = 3 hours + 4 hours
The total time for the whole journey = 7 hours
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You are thinking about adding a part-time job to your business? You could pay the employees the $6.50 per hour. How much would you pay if the employee Works 15 hours per week? How much would you pay if the employee Works 20 hours per week?
Answer:
1.) 15hrs per week = $97.50
2.) 20hrs per week = $130
Explanation:
If a 600-N force is exerted on a box to push it to the right, and a 300-N force is exerted on the same box to push it to the left, what is the net force and direction of the box?
An 80g meter stick is supported at its 30 cm mark by a string attached to the ceiling. A 20 g mass is hung from the 80 cm mark what mass should be hung at the 5 cm mark on the meter stick to keep it horizontal and in equilibrium?
Answer:
[tex]104\; {\rm g}[/tex], assuming that the meter stick is uniform with the center of mass precisely at the [tex]50\; {\rm cm}[/tex] mark.
Explanation:
Refer to the diagram attached. The meter stick could be considered as a lever. The string at the [tex]30\; {\rm cm}[/tex] mark would then act as the fulcrum of this lever.
The [tex]m_{A} = 20\; {\rm g}[/tex] mass at the [tex]80\; {\rm cm}[/tex] mark is at a distance of [tex]r_{A} = 50\; {\rm cm}[/tex] to the right of the fulcrum at [tex]30\; {\rm cm}[/tex].
The weight of the [tex]80\; {\rm g}[/tex] meter stick acts like a weight of [tex]m_{B} = 80\; {\rm g}[/tex] attached to the center of mass of this meter stick. Under the assumptions, this center of mass of this meter stick would be at the [tex]50\; {\rm cm}[/tex] mark, which is [tex]r_{B} = 20\; {\rm cm}[/tex] to the right of the fulcrum at [tex]30\; {\rm cm}[/tex].
Let [tex]m_{C}[/tex] be the mass attached to the meter stick at the [tex]5\; {\rm cm}[/tex] mark. This mass would be at a distance of [tex]r_{C} = 25\; {\rm cm}[/tex] to the left of the fulcrum at [tex]30\; {\rm cm}[/tex].
At equilibrium:
[tex]\begin{aligned} & m_{C}\, r_{C} && (\text{mass on the left of fulcrum})\\ &= m_{A}\, r_{A} + m_{B} \, r_{B} && (\text{mass on the right of fulcrum})\end{aligned}[/tex].
Solve for [tex]m_{C}[/tex], the unknown mass attached to the meter stick at the [tex]5\; {\rm cm}[/tex] mark:
[tex]\begin{aligned}m_{C} &= \frac{m_{A}\, r_{A} + m_{B}\, r_{B}}{r_{C}} \\ &= \frac{20\; {\rm g} \times 50\; {\rm cm} + 80\; {\rm g} \times 20\; {\rm cm}}{25\; {\rm cm}} \\ &= 104\; {\rm g}\end{aligned}[/tex].
Dr. Man was studying a fossil from a dig in a desert when he noticed that the organism had evidence of fins.
Help !!
If an object is placed 3 cm from the mirror, how far will the object appear “behind” the mirror?
[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]
As we know the property of a plane mirror, image formed by it is always virtual, of same Size as the object and at the same Distance as the object from the mirror. so we can say that the distance of image from the object = 3 cm from the mirror ( as per the property ) and at a distance of 6 cm from the object.
Describe the orbit in which planets revole around the sun
Question 1 of 10
What do all waves in the electromagnetic spectrum have in common?
OA. They have the same distance between crests.
OB. They have the same energy.
C. They have the same rate of motion.
D. They have the same frequency.
SUBMIT
Answer:
They have the same rate of motion.
Explanation:
Electromagnetic radiation is a type of energy that is commonly known as light. Generally, light travels in waves, and all electromagnetic radiation travels at the same speed, which is about 3.0 × 108 ms− 1 through a vacuum.
Two particles A and B start simultaneously from a Point P with velocities 20 m/s and 30 m/s respectively. A and B move with acceleration equal in magnitude but opposite in direction. When A overtakes B at Q, its velocity is 30 m/s. The velocity of B at Q :
Answer:
20 m/s
Explanation:
Given
u(A) = 20 m/su(B) = 30 m/sacceleration equal in magnitude but opposite in directionSolving
Velocity of A at Q = 30 m/sFrom, P to Q, Δv(A) = 30 - 20 = +10 m/sTherefore, velocity of B at Q will be decreased by 10 as it is equal in magnitude but opposite in direction to AΔv(B) = v(B at Q) - u(B at P)-10 m/s = v(B at Q) - 30 m/sv(B at Q) = 30 - 10 = 20 m/sWhat is an Astroid belt
What is the relationship between frequency and wavelength?
Answer:
The wave with the greatest frequency has the shortest wavelength. Twice the frequency means one half the wavelength.
Explanation:
Frequency and Wavelength are inversely proportional to each other.
The type of galaxy that sometimes has a distinct bar of stars running across the central region is:.
Hello people ~
Feathery stigma occurs in
(a) pea
(b) wheat
(c) Datura
(d) Caesalpinia
Answer:
(B) wheat
Explanation:
Wheat is an anemophilous plant (form of pollination by which wind distributes pollen)They lack petals and sepals (outer whorls of the flower)The female plants consist of an ovary (female reproductive part) from which two styles (connecting stigma and ovary) ariseThe feathery stigma catches the pollen and sends it to the ovary for fertilization(b) wheat
Feathery stigma refers to wind pollinated flowers.
Wind pollinated flowers are smooth, light in weight, dull and does not contain nectar.
Wheat is light and does not contain nectar.
Datura have huge petals, pea is heavy, caesalpinia have beautiful petals, which all leads to insect pollinated.
wind pollinated flowers:
wheat, rice, corn and oats.
you want to make some hot chocolate with 1000.00 grams of h20. if it takes 435000 joules of energy to heat you water, what is the temperature change?
The temperature change from the calculation is obtained as 104 degrees.
What is energy?The term energy is described as the ability to do work. Now we are told that the energy that is added to the water is 435000 joules.
Given that;
H = mcdT
m = mass
c = specific heat capcity
dT = temperature change
dT = H/mc
dT = 435000/1000 * 10^-3 * 4200
dT = 104 degrees
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When white light is refracted by a prism, which color of light is bent the least? red yellow green
Answer:
Red light would bend the least, because of its wavelengths in the sun, also basing on how reflective the prism or light source is.
__________________________________________________________
Questions?Ask in comments.
When you push your palms together and rub them back and forth, you are demonstrating one way of converting ________ energy into ________ energy.
Answer:
When you push your palms together and rub them back and forth, you are demonstrating one way of converting Kinetic energy into thermal energy.
A star is observed to have a temperature of 3000 k and a luminosity of 105. what is the color of the star? what group does the star belong to?
AnsAnswerwer:
the first box is red and the second boybox is giant
Explanation:
Answer:
the first answer is red and the second answer is supergiant
Explanation:
i just did it on edge 22
The Schwarzschild radius of a black hole depends on ________.only the mass of the black holeboth the mass and density of the black holethe way in which the black hole formedthe observationally measured radius of the black hole
The Schwarzschild radius of a black hole depends on the mass and density of the black hole because volume is the space that an object occupies.
What is volume?Volume is defined as the amount of space occupied by an object. It can be measured in cubic units. If the black hole has more volume then it has more radius and vice versa.
So we can conclude that the Schwarzschild radius of a black hole depends on the mass and density of the black hole because volume is the space that an object occupies.
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Carbon-14 is a radioactive isotope of carbon with a half-life of 5,730 years. A paleontologist finds fossil that contains 25% of its original amount of carbon -14 atoms. How old is the fossil?
The age of the fossil which contains the Carbon-14 radioactive isotope is 11460 years
How to determine the number of half-lives Original amount (N₀) = 100%Amount remaining (N) = 25%Number of half-lives (n) =?2ⁿ = N₀ / N
2ⁿ = 100 / 25
2ⁿ = 4
2ⁿ = 2²
n = 2
How to determine the age Half-life (t½) = 5730 yearsNumber of half-lives (n) = 2Time (t) =?t = n × t½
t = 2 × 5730
t = 11460 years
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The conversion of ozone to diatomic oxygen is represented by the equation above. Based on the data in the table above, what is the approximate average bond enthalpy for the oxygen-to-oxygen bonds in ozone?.
The approximate average bond enthalpy for the oxygen-to-oxygen bonds in ozone is 300 kJ/mol. The ozone is composed of three oxygen atoms, and it's highly reactive.
What is ozone?Ozone is a light blue-colored gas, that is highly soluble in an inert, non-polar solvent.
[tex]2O_3 \rightarrow 3O_2 \\\\ \Delta H = -300 KJ/mol[/tex]
There are double bonds present in the ozone, two molecules of ozone mean there will be four bonds.
[tex]4 \times E -3 \times 500 = -300\\\\4 \times E = -300 + 1500\\\\E = \dfrac{1200}{4} \\\\E = 300 \;KJ/mol[/tex]
Thus, the correct option C, 300 kJ/mol.
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A transfer of energy from thermal to potential
Conduction
The material which suppose Conduction called conductorsIn this heat is transmitted from one thermal to another .Metals are usually good conductors where as non metals are notExplanation:
According to online, "thermal energy is just a fancy word for heat energy. It's a form of both potential and kinetic energy. If you remember, the electrons of an atom have potential energy. Once you apply pressure to the electrons, they start to move rapidly, banging into each other, and releasing thermal energy as heat."
Thermal energy transfers occur in three ways: conduction, convection, and radiation
HELP!
Explain how the conservation of energy and the conservation of matter might still be considered true when put together in spite of the ability of each to convert into the other.
Answer:
the conservation of both matters because without each other the balance of nature will be destroyed it helps in such a way that the food chain will be maintained.
it is as such considered because without matter there would be no energy and the reverse is such.
it is still considered because without one another famous atomic theories wouldn't have been made such as gas, liquid and solid.
in conclusion all these work together to balance the galaxy as a whole
Both the conservation of energy and the conservation of matter is important because, without each other, the natural equilibrium will be disrupted.
What is the law of conservation of energy?According to the Law of conservation of energy. Energy can not be created nor be destroyed it can transfer from one to another form.
The total energy is the sum of all the energies present in the system. The potential energy in a system is due to its position in the system.
The conservation of both is important because without each other, the natural equilibrium will be disrupted, and it aids in the maintenance of the food chain.
It is seen as such because there would be no energy without matter and vice versa.
Hence both the conservation of energy and the conservation of matter is important
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Tina speaks using a nonelectric megaphone. The megaphone makes her voice louder in one direction.
How does a megaphone work?
Select one:
It affects the vocal cords of a person and allows them to make louder sounds.
It increases the amplitude of spreading sound waves.
It changes the frequency of the spreading sound waves.
It collects sound waves and reflects them in a direction
The megaphone makes her voice louder in one direction, increases the amplitude of spreading sound waves.
What is megaphone?Megaphone is a Spotify-owned podcast technology company that specializes in ad insertion and hosting.
While the distance between from the crest of a wave to the next crest is known as the amplitude.
The megaphone makes her voice louder in one direction, increases the amplitude of spreading sound waves.
Hence, option B is correct.
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State Schrodinger equation.
Hi!Schrodinger equation is written as HΨ = EΨ, where h is said to be a Hamiltonian operator.
is the amount of force acting on a given area.
Answer:
[tex]\huge\boxed{\sf Pressure}[/tex]
Explanation:
Pressure:
The amount of force acting on per unit area is called pressure.Mathematical form:
[tex]P = \frac{F}{A}[/tex]Unit:
The unit of pressure is N/m² or Pascal. Many other units are also used for pressure.[tex]\rule[225]{225}{2}[/tex]
A man climbs on to a wall that is 3 m high and gains 2268 J of potential energy. What is the mass of the man? (g=9.8 m/s^2) *
Answer:
77.14 kg
Explanation:
P.E = mg h
2268 = m * 9.8 * 3 m = 77.14 kg
Every time your cat's paw hits her toy string, it swings away from her. How does
this demonstrate Newton's third law of motion?
Objects with mass, such as your cat's paw and toy string, will require inertia.
Objects in action, such as the string toy, will experience force.
For every motion from your cat's paw, there is unbalanced inertia from the string.
For every action your cat makes, there is an equal and opposite reaction from the string.
Answer:
D?
Explanation:
Newton's Third Law of Motion: For every action, there is an opposite reaction, and forces come in pairs
Answer: Answer choice D
Explanation:
Newtons 3rd law states that for every action there is an equal and opposite reaction. In the scenario, the cat hitting the toy is the action, and the ball swinging away is the reaction.