Answer:
Moonlight; phases; eight; 29 days; sunlit; earth; sun; moon.
Explanation:
A moon generally do not have or possess light but rather it reflects the light from the sun.
The moon is lit by light bouncing off of it. That light reaches Earth as moonlight. The different shapes that the moon appears to have are called phases. The moon goes through eight (8) phases as it revolves around the earth every 29 days. The phase that we see depends on how much of the sunlit part of the moon we can see. This depends on the positions of the earth, sun, and moon.
The eight (8) phases of the moon include the following;
1. Last quarter half moon.
2. Waning crescent moon.
3. New moon.
4. Waxing crescent moon.
5. First quarter half moon.
6. Waxing Gibbous moon.
7. Full moon.
8. Waning Gibbous moon.
a bird flaps its wings 8 times per second. what is the frequency of the birds wing flapping?
EXPLAIN
50 POINTS
Answer:
480 flaps per minute
Explanation:
8*60 =480
Answer:
480 flaps per minute
Explanation:
8*60 =480
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A car has a momentum of 10,000 kg x m/s and has a mass of 800kg what's the car velocity
Answer:
Explanation:
Momentum P=mass×velocity
1000=800×velocity
1000=800V
V=1000/800=2.5m/s
Density, hardness, and luster are three properties of minerals; true or false
Explanation: True
Properties that help identify a mineral in a rock are: color, hardness, luster, crystal forms, density, and cleavage.
List three unique examples of situations in your daily life where expansion and contraction occur.
PLZ HELP ME I HAVE A TIMER!!!
Plz find the initial value (u)
Thank you soo much!!!
answer:
u =11
Explanation:
brackets were inserted in the 1st step,to make it simpler as multiplication is done first, before addition.
hope this helps:))
14.Which of the following is TRUE of a body in equilibrium.
I. The sum of the forces in one direction is equal to the sum of the
forces in the opposite direction
II. The sum of the clockwise forces is equal to the sum of the
anticlockwise forces
III. The sum of the clockwise moments is equal to the sum of the anticlockwise moments
a) I only
b) II only
c) I and III only
d) I, II and III
Answer:
Explanation:
One
All three statements are saying exactly the same thing.
1. one direction forces = opposite direction forces. Note forces have direction. Always remember that forces have direction and you must always say what that direction is.
2. Two is saying the same thing as one. It is just that 2 is more specific about what the direction is. Clockwise is different from anti clockwise.
3. moments are forces and distances. Forces always have direction. Distances sometimes do not. At your level of study, I don't think it does. Later on, you will learn the word displacement which always has direction and that direction must be stated.
Answer D.
15 We are told to answer just 1 or 2 questions from the same student's posting. There are 4 here, so I'm going to give you just brief answers.
You should realize by now that a loaded bus has it's center of gravity raised. The answer is B
16 A is true.
Technically anything to do with turning is a torque.
D is also true.
C is better worded than B. I would pick B as the odd one out.
17
This is rotating so they must be on the same side of the pivot point. The moments add.
20*3 + 10*2 = 60 + 20 = 80 Newton Meters. Notice C has the right numbers associated with it, but the distance is divided into a Newton. Wrong answer.
In this series of questions, moments are defined as Force * Distance.
HURYY PLEASE
The processes that transform inputs to outputs are what part of a system?
the components
the surroundings
the flow
the boundary
The law of conservation of energy describes how the amount of energy can change in a closed system. Which of these statements correctly describes this law? A The amount of energy created when an object move is equal to the energy destroyed when it stops moving. B The amount of kinetic energy in a system is a constant value C Energy can be converted from one form into another, but it cannot be destroyed D An object can have potential energy or kinetic energy, but not both at the same time.
Answer:
b
Explanation:
3. A difference between copper and plastic is that copper has a much higher
a
brittleness.
b
solubility.
c
reflectivity.
d
electrical conductivity.
Answer:
d ............................
A ball rolls 14.4 m in 12 12 sec. what is the speed
Answer:
1.2 mph
Explanation:
14.4 ÷ 12 = 1.2
the empirical formula of (NaSO)
Answer:
NaSO
Explanation:
Since there is no common factor besides 1, the formula is already the empirical formula for this compound.
good luck, i hope this helps :)
Pls help me I need help thanks.
Answer: The Answer Is A
Explanation:
A dance form geared towards maximizing burning calories, created around the ___________ culture.
American
Italian
Brazillian
African
Answer:
Explanation:brazilian
what is the mass of an object if a 30 N force makes it accelerate at 6 m/s2
Answer:
5 kg
Explanation:
Acceleration = 6 m/s^2
Force = 30 N
Force = mass * acceleration
mass = force / acceleration
mass = 30 / 6
mass = 5 kg
TRUE or FALSE: An object's weight changes depending on which planet it is located.
A. TRUE
B. FALSE
Answer:
B False
Explanation:
plz correct if im wrong i am 100% sure thx
The answer should be true I hope this helped:)
A 6V radio with a current of 2A is turned on for 5 minutes. Calculate the energy transferred in joules
Answer:
R=V/I=6/2=3ohm
time =5minutes =5*60=300seconds
I=2A
Heat =I^2Rt=(2)^2*3*300=4*900=3600J
We have that Hence,the energy transferred in joules is mathematically given
E=0.04Joules
From the question we are told
A 6V radio with a current of 2A is turned on for 5 minutes. Calculate the energy transferred in joules
Generally the equation for the Power is mathematically given as
[tex]P=IV\\\\P=6*2\\\\P=12W[/tex]
Generally the equation for the Energy is mathematically given as
[tex]E=\frac{P}{t}\\\\E=\frac{12}{5*60}\\\\E=0.04Joules[/tex]
Hence,the energy transferred in joules is mathematically given
E=0.04Joules
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Which of the following is true about science and technology?
A.
Advancements in science can lead to advancements in technology, and technological advancements can also lead to scientific advancements.
B.
Advancements in science cannot lead to advancements in technology, but technological advancements can lead to scientific advancements.
C.
Advancements in science can lead to advancements in technology, but technological advancements cannot lead to scientific advancements.
D.
Advancements in science cannot lead to advancements in technology, and technological advancements cannot lead to scientific advancements.
Answer:
1st choice is the true
cause Science and technology are Related Improvement in science is improvement in technology
A 3.9 kg crate is accelerated from 7.0 m/s to 9.5 m/s. What is the amount of work needed to accelerate the crate to the nearest tenth of a joule?
The momentum of a 5-kilogram object moving at 6 meters per second is-
The momentum of an object is 30 kgm/s . This can be calculated by using momentum formula see description below.
What is momentum?It is defined as the product between mass and velocity. Its symbol is p.
It is given by:
p = m * v
What information do we have?
Mass = 5kg
Velocity = 6 m/s
To find:
Momentum=?
On substituting the values:
p = m * v
p =5 kg * 6 m/s
p = 30 kgm/s
Thus, the momentum of an object is 30 kgm/s.
Find more information about Momentum here:
brainly.com/question/1042017
According to Newton’s second law of motion, what is equal to the acceleration of an object?
Answer:. The acceleration of the object is directly proportional to the force and inversely proportional to the mass.
Explanation:
According to Newton s Second Law of Motion, also known as the Law of Force and Acceleration, a force upon an object causes it to accelerate according to the formula net force = mass x acceleration.
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Nascar fans love race day when they get a chance to pull for their favorite drive. If a driver was able to travel 600 miles in 3 hours, what was his/her average speed?
Which of the following statements is true with regard to elastic and inelastic collisions
How does Density depend on the type of object being measured ?
Answer:
ways to exaplined
Explanation:
Density is calculated by
dividing the mass by the volume, so that density is measured as units of mass/volume, often g/mL. If both water samples are at the same temperature, their densities should be identical, regardless of the samples' volume.
What is the momentum of a 1, 500 kg car traveling at 3m/s?
67,500 kgm/s
67.5 kgm/s
4.5 kgm/s
4,500 kgm/s
========================================
Work Shown:
To find the momentum, we multiply the mass and the velocity.
m = mass = 1500 kg
v = velocity = 3 m/s
p = momentum
p = m*v
p = (1500 kg)*(3 m/s)
p = (1500*3) kg m/s
p = 4500 kg m/s
The momentum of an object is the product of its mass and velocity. Thus momentum of the car with 1500 kg and velocity of 3 m/s is 4500 kg m/s.
What is momentum?Momentum is a physical quantity that measure the ability to keep the force which make an object moves faster. Momentum like force is a vector quantity and is characterized with magnitude and direction.
Momentum is the product of velocity and its mass. Hence as the mass or velocity increases, momentum also increases. Increase in momentum makes the object moves faster.
Given mass of car = 1500 Kg
velocity = 3 m/s
momentum = velocity × mass
= 1500 Kg × 3 m/s
= 4500 Kg m/s.
Therefore, the momentum of the car is 4500 kg m/s.
To find more on momentum, refer here:
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The horizontal acceleration of a projectile __
as its position changes.
A. Increases
B. Decreases
C. Is constant
D. Is zero
A 10 ohm resistor has 2.5 amps running
through it. What is the voltage?
Answer:
10*2.5=25
Explanation:
The answer is 25 volts
Answer:
25 Volts
Explanation:
2.5 multiplied by 10 is 25.
What will the phase of the moon be in the diagram?
A plumber uses a spanner on a tap. She puts a force of 200N on the spanner 30cm from the tap. What is the size of the moment?
Answer:
60Nm
Explanation:
Given data
Applied force= 200N
length of spanner= 30cm to meter
= 30/100= 0.3m
We know that the formula for the moment is
P=Fl
that is
P= force * length
P= 200*0.3
P= 60Nm
Hence the moment is 60Nm
A train having speed of 85 km/h takes 5 hours to travel from Kerala to Karnataka. Calculate the distance between Kerala and Karnataka
Answer:
the distance between Kerala and Karnataka is 425 km.
Explanation:
Given;
speed of the train, u = 85 km/h
time taken for the train to travel from Kerala to Karnataka, t = 5 hours
The distance between Kerala and Karnataka is calculated as;
Distance = speed x time
Distance = 85 km/h x 5 h
Distance = 425 km
Therefore, the distance between Kerala and Karnataka is 425 km.
The density of iron is 7.97 g/cm. Express it in Sl unit.
Answer:
[tex]d=7970\ kg/m^3[/tex]
Explanation:
Given that,
The density of iron is 7.97 g/cm³.
We need to find the density in SI unit. The SI unit of density is kg/m³.
We know that,
1 kg = 1000 g
1 m = 100 cm
So,
[tex]7.97\ g/cm^3=7.97 \times \dfrac{(\dfrac{1}{1000})\ kg}{(\dfrac{1}{100}^3)\ m^3}\\\\=7970\ kg/m^3[/tex]
So, the density of the iron is [tex]7970\ kg/m^3[/tex].