What do you ocean waves and sound waves have in common?
Answer:
They are both mechanical waves
the smooth and accurate execution of movement as conceived in the mind and executed by the body parts
The smooth and accurate execution of movement as conceived in the mind and executed by the body parts describes ; The central nervous system.
Although your question is incomplete an answer is provided which falls within the scope of your question
The human brain receives, interprets and transfer signals it deduces from the impulses it received to the various sense organs ( body parts ) for execution. and this process involves coordination within the nervous system.
The central nervous system is a category of the Nervous system of a human and it consists of the spinal cord and the human brain. and the peripheral nervous system
Hence we can conclude the smooth and accurate execution of movement as conceived in the mind and executed by the body parts describes, The central nervous system.
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If a sled is being pulling on the ground toward the right with a force of 100 N and friction is acting on it to the left with a force of 85 N, what is the net force
of the sled?
O 15 N to the left
15 N to the right
185 N to the right
185 N to the left
Answer:
15 N to the right.
Explanation:
100 N to the right -->
85 N to the left <--
So therefore in order to find the net force of where the sled is being dragged towards is 100 N - 85 N = 15 N.
So the sled is moving towards the right of 15 N.
A.they are farther apart
B.they have increased in size
C.they have lost energy
D.they are moving slower
Answer:
c
Explanation:
A 25 newton force applied on an object moves it 50 meters. The angle between the force and displacement is 40.0 degrees. What is the value of work being done on the object
Explain the free motion of particles.
Answer:
D : An electron may act with either particle-like or wave-like characteristics.
Explanation:
This is the whole basis of the Schrödinger equation.
The other options are correct, but they do not state the dual nature of the electron.
Currently, the world population is about:
A. 7 billion
B. 450 million
C. 1.2 trillion
D. 700 million
Select the correct answer. What are the units for the spring constant, k?
A. newton meters
B. newton seconds
C. newtons/meter
D. newtons/second
E. newtons/seconds
Answer:
The spring constant,k is measured in newtons per meter
Answer:
C. NEWTON / METRE is the correct answer .Thank your ☺️☺️
Calculate the following sum, and express the answer in meters. Follow the rules for significant figures.
(25.873 km) + (1024 m) + (3.0 cm) =
Answer:
26897.3 m
Explanation:
1 km = 1000 m
1 cm = 0.01 m
so the calculation will be
25873 m + 1024 m + 0.03 m= 26897.3 m
The sum of the given expression (25.873 kilometers ) + (1024 meters ) + (3.0 centimeters) would be 26897.0 meters.
What are significant figures?In positional notation, significant figures refer to the digits in a number that is trustworthy and required to denote the amount of something, also known as the significant digits, precision, or resolution.
As given in the problem we have to Calculate the following sum and express the answer in meters, by Following the rules for significant figures,
(25.873 kilometers ) + (1024 meters ) + (3.0 centimeters)
1 kilometers = 1000 meters
1 meter =100 centimeters
(25.873 ×1000×100) + (1024×100 ) + (3.0 centimeters)
= 26897.03 centimeters
Thus ,the sum of the given expression (25.873 kilometers ) + (1024 meters ) + (3.0 centimeters) would be 26897.0 meters.
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36 In the given circuit, A, B, C and D are four lamps connected with a battery of
60V.
Analyse the circuit to answer the following questions.
(i) What kind of combination are the lamps arranged in (series or parallel)?
(ii) Explain with reference to your above answer, what are the advantages (any
two) of this combination of lamps?
(iii) Explain with proper calculations which lamp glows the brightest?
(iv) Find out the total resistance of the circuit.
A parallel circuit, is one which the conductors leading into the bulbs are joined together on one side of the bulbs, and the conductors coming out of the bulbs are joined together on the other side of the bulb
The correct arrangement, advantages, lamp and resistance values are;
(i) The lamps are arranged in parallel(ii) Improved reliability Optimum performance of the bulbs(iii) Lamp C(iv) The total resistance is 4 ΩThe reason the above values are correct are as follows:
(i) From the diagram attached, the lamps are arrange in parallel
This is so because, each lamp is directly connected across the terminals of the the voltage source
(ii) The advantages of the bulbs arranges in parallel are;
The other lamps will continue working if one lamp becomes faultyThe voltage is applied directly to each lamp, such that the lamps are lit with the maximum power available in the circuit(iii) The brightness of the lamp is given by the power of the lamp
The lamp with the highest wattage, or power glows the most
Power, P = Voltage, V × Current, I
The power for lamp A, [tex]P_A[/tex] = 60 V × 3 A = 180 W
The power for lamp B, [tex]P_B[/tex] = 60 V × 4 A = 240 W
The power for lamp C, [tex]P_C[/tex] = 60 V × 5 A = 300 W (Brightest)
The power for lamp D, [tex]P_D[/tex] = 60 V × 3 A = 180 W
Therefore, lamp C has the highest power and glows the brightest
(iv) The total resistance is given by the voltage, divided by the total current
Total current, I = 3 A + 4 A + 5 A + 3 A = 15 A
[tex]Total \ resistance, \ R_{tot} = \dfrac{V}{I_{tot}}[/tex]
Therefore;
[tex]Total \ resistance, \ R_{tot} = \dfrac{60 \, V}{15 \, A }}=4 \, \Omega[/tex]
The total resistance, R = 4 Ω
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Calculate the mass of a lorry that has a momentum of 4600 kg m/s and a velocity of 15m/s. Give your answer to two decimal places
PLZZZ HELP
Please someone answer, I will mark them who answers as brainliest,
How much energy is needed to heat 100 kg of paraffin from 10 degree Celsius to 30 degree Celsius. The specific heat capacity of paraffin is. 2200 unit.
Answer:
40,000J
Explanation:
The heat energy required to raise the temperature of unit mass of substance through unit degree is called specific heat of substance . As given 2000J energy is needed to heat 1 kg of paraffin through 1
o
C, therefore specific heat of paraffin will be 2000J/kg−
o
C.
Now, heat energy required to raise the temperature of mass m of substance (specific heat c) through Δt is given by ,
Q=mcΔt,
Given: m=10kg,Δt=2
o
C,c=2000J/kg−
o
C
Q=10×2000×2=40,000J
A bicycle has a mass of 10kg and an acceleration of 2m/s². What is the net force of the bicycle?
20 m/s
20 m/s
5 N
5 N
0.2 m/s
0.2 m/s
20 N
Answer:
The answer is 20 NExplanation:
The force acting on an object given it's mass and acceleration can be found by using the formula
Force = mass × accelerationFrom the question
mass = 10 kg
acceleration = 2 m/s²
We have
Force = 10 × 2
We have the final answer as
20 NHope this helps you
The real advantage to hydrostatic weighing is that it __________.
A.
can be done anywhere with no equipment
B.
gives one of the most accurate measurements of body fat
C.
uses calipers to measure body fat
Answer:
B. gives one of the most accurate measurements of body fat
Answer:
B. ) gives one of the most accurate measurements of body fat
Besides the leaves, what else do the trees release in the autumn?
Answer:
Tress can also release acorns and pinecones and such
Explanation:
It takes a force of 50 N to give a body an acceleration of 10 m/s2. What is the mass of the body?
Answer:
The answer is 5 kgExplanation:
The mass of the body can be found by using the formula
[tex]m = \frac{f}{a} \\ [/tex]
f is the force
a is the acceleration
We have
[tex]m = \frac{50}{10} \\ [/tex]
We have the final answer as
5 kgHope this helps you
Which of the following objects has the most gravity? A. a semi-truck B. A grain of sand C. Jupiter D. All of these have equal gravity
Answer:
C. Jupiter
Explanation:
Gravity is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planets in orbit around the sun.
plz mark brainloest
To determine the amplitude of a wave you need to know the
3. Bamey is walking with all his good friends. If he began walking away from Lucy 12 seconds ago at an average speed of 1.5 m/s and is now 25 m from Lucy, the how far from her was he when he began walking?
Answer:
7 meters away
Explanation:
12 x 1.5 = 18
25 - 18 = 7
an object falls from a high building and hits the ground in 9.0 seconds.ignoeing air resistance,what is the distance that it fell?
Answer:
kinematic eq. d = Vi*t + 1/2a*[tex]t^{2}[/tex]
Explanation:
Vi=0
d=1/2 a*[tex]t^{2}[/tex]
d= 1/2(9.8)[tex]0.9^{2}[/tex]
d=3.969 m
The distance from which the object falls is 393.9 meters.
Given that, an object falls from a high building and hits the ground in 9.0 seconds and air resistance = 0
So the distance can be calculated by the formula given below.
[tex]s = vt + \dfrac{1}{2} at^2[/tex]
Where, [tex]s[/tex] is the distance in meters, [tex]t[/tex] is time (in seconds) taken by the object in motion, [tex]a[/tex] is the acceleration of the object in meter per second square and [tex]v[/tex] is the final velocity in meter per second.
In this case, object falls from high building to the ground so the final velocity would be zero. Gravitational acceleration is -9.8 meter per second square.
Substituting the values in the above formula,
[tex]s = (9.0\times0) + \dfrac{1}{2}(-9.8\times(9.0)^2)\\s = 0 + (-9.8\times81\times0.5)\\s = 396.9 \;\rm m[/tex]
The distance from which the object falls is 393.9 meters.
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Three resistors are placed in series. They have the following resistances: R1 = 20 ohms, R2 = 20 ohms, R3 = 10 ohms. What
current would be moved through this circuit by a 5-V power supply?
Answer:
0.10 A
Explanation:
What happens to the times difference between primary and secondary waves
Answer: The time differences become bigger.
Explanation: Suppose a primary and secondary wave both travel a distance of 4,000 km before they are picked up by a seismograph.
3. What is the acceleration of a 10 kg mass pushed by a 5 N force?
Answer:
F=ma
Plug it in:
5=10a
5/10=(10a)/10
.5m/s²=a
Explanation:
Brainliest?
Answer:
[tex]\frac{1}{2} \frac{m}{s^2}[/tex]
Explanation:
Recall the equation F = ma. We want to find a, and we already know F and m, so we can plug those in. [tex]5N = 10kg \cdot a -> a = 5N/10kg = \frac{1}{2} \frac{m}{s^2}[/tex]
I need help with all these. Number them pleaseee
Max and Jimmy continue jumping on a trampoline. When they jump at the same time, Max makes a wave crest and Jimmy makes a wave trough. What type of wave interaction occurred?
Answer:
The type of wave interaction occurred is destructive interference
Explanation:
Given that,
Max and Jimmy jump at same time.
Wave crest makes by Max and wave trough makes by Jimmy.
We need to find the type of wave interaction occurred
According to given data,
We know that,
If the wave crest and wave trough are interacted to each other then the interaction is destructive interference.
If the wave crest and wave trough are interacted with crest and trough then the interaction is constructive interference.
So, we can say that if the wave crest and wave trough are interacted to each other then the interaction is called destructive interference
Hence, The type of wave interaction occurred is destructive interference
Answer:
destructive interference
Explanation:
Find the horizontal and vertical displacement comments of 145m displacement of a superhero that flies from the top of a building at an angle of 28 degrees below the horizontal
Answer:
The horizontal and vertical displacement is 128.02 m and 68.07 m respectively.
Explanation:
Displacement, d = 145 m
The top of a building at an angle of 28 degrees below the horizontal
We need to find the horizontal and vertical displacement.
For horizontal displacement,
[tex]D_x=d\cos\theta\\\\D_x=145\times \cos(28)\\\\D_x=128.02\ m[/tex]
For vertical displacement,
[tex]D_y=d\sin\theta\\\\D_y=145\times \sin(28)\\\\D_y=68.07\ m[/tex]
So, the horizontal and vertical displacement is 128.02 m and 68.07 m respectively.
What is the acceleration of a 50kg object pushed with a force of 500 newtons?
Answer:
10
Explanation:
Acceleration = Force / Mass
500 N / 50 Kg = 10
Which statement best describes the general movement of air masses?
A.
They move from areas of high humidity to areas of low humidity.
B.
They move from areas of high altitude to areas of low altitude.
C.
They move from areas of low temperature to areas of high temperature.
D.
They move from areas of high pressure to areas of low pressure.
Answer:
d
Explanation:
i looked it up
A boat moving at a constant speed travels 15 meters in 8 seconds. How far does it travel
in 40 seconds?
75 meters
53 meters
335 meters
480 meters
match the term with its definition
