Answer: yes and its called either mass or volume.
Explanation: volume is the space inside the object is taken up, and mass is bassicaly the same thing but with weight
Solve for x in the diagram below.
(4.2 + 50°
150
T =
Answer:
x = 25
Explanation:
Find the diagram attached
From the diagram,
4x + 50 = 150 (vertically opposite angle)
4x = 150 - 50
4x = 100
x = 100/4
x =25
Hence the value of x is 25
A freshman's mass is 44.8kg, therefore the freshman’s weight is ___N.
URGENT QUICK PLEASE ANSWER WITH FULL DETAILS HOW TO SOLVE!!!!! WILL GIVE BRAINLIEST!!!!!!
A primary coil of a transformer in a toy electric car has 300 turns and the secondary coil has 30 turns. How many volts will be induced when the primary coil is connected to a 9 V battery? The document you upload for this should show how you solved the problem as well as the final answer and correct unit for the answer.
Is this a step-up transformer or a step-down transformer? Explain how you know which type it is. The document should have a short description of how you know what type of transformer is being described in this prompt. Make sure to use complete sentences and to use proper language mechanics in your response.
Answer:
I hope this helps.
Explanation:
Vs/Vp = Ns/Np
Vs/9 = 30/300
Vs/9 = 1/10
Vs= 9/10 = 0.9 volts
It is a Step down transformer. This is because the number of turns on the primary coil is greater than that on the secondary coil.
A ray diagram is shown.
A flower is an object in front of a convex mirror. A ray parallel to the principal axis reflects away from the focal point. The second ray goes to the mirror toward the focal point and reflects parallel to the principal axis. The reflected rays are continued onto the other side of the mirror as dashed lines. At the intersection of the two dashed lines is a small upright image of the object in front of the focal point.
Which describes the image?
It is virtual and in front of the mirror.
It is virtual and behind the mirror.
It is real and in front of the mirror.
It is real and behind the mirror.
Answer:
B. Its virtual and behind the mirror.
Explanation:
Answer: (B) Virutal, (D) Upright, (E) Smaller.
Explanation:
Edge Physics B
A cube measures 2.5 cm in height and has a density of 3.0 g/cm³. What is the mass?
Answer: mass: 46.875 g
Explanation:
[tex]density = \frac{mass}{volume}[/tex]
density = 3.0 g/cm^3
volume (lwh are all 2.5 since it is a cube) = 2.5^3 = 15.625
mass = ?
[tex]3 = \frac{mass}{15.625}[/tex]
mass = 3*15.625 = 46.875
As water rises through the troposphere and cools, it changes from a(n) ————- to a(n) ———— through the process of condensation; when the tiny drops of water come together, they form ————- .
Answer:
GAS, LIQUID, CLOUDS
Explanation:
Water can be in three states: solid, liquid and gas, passing from one to another depending on the pressure and temperature.
In this complementation exercise.
When the water cools down the GAS goes to the LIQUID state, these small drops unite and form the CLOUDS
1. Four students investigated the effect of gravity on falling objects. The students all used the same three balls and dropped them from a height of 8 meters. They recorded the time it took for each ball to hit the ground. Which student most likely had an error in the results?
(1 point)
Ziva
Jade
Owen
Eduardo
2.A student designs an investigation to study the effect of gravity on objects on Earth. He will use the criteria shown. How can the student improve the investigation?
(1 point)
by dropping the balls from the same height
by using balls that are the same mass
by finding balls made from different materials
by measuring the circumference of the balls
Answer:
1.Owen
2.By dropping the balls from the same height
3.She dropped the balls from different heights
4. Perform a second trial
Why is all of geologic time before the Cambrian Period sometimes collectively lumped together and called the “Precambrian"?
Answer:
we have very few fossils from the time
Explanation:
We have few rock and fossil records that still exist from that far back, and so it is difficult to know what the conditions were like.
It was on the quiz
All of the geologic time before the Cambrian Period is sometimes collectively lumped together because it's impossible to determine the conditions of rock and fossil records
What is Precambrian?Precambrian refers to the time period between the beginning of the Earth's formation (approximately 4.6 billion years ago) and the start of the Cambrian Period.
In conclusion, there are few rock and fossil records from that time period, so it's impossible to determine what conditions were like.
Read more about Earth
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17. The four points built into the camera to ensure that each exposure can be oriented
to the camera calibration are called?
A.
Nodal points
B.
Focal points
C. Focus
D. Fiducial marks
E. None of the above
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1. A boulder fell from a small cliff and accelerated towards a car below at 9.8 m/s^2. The
boulder smashed into a car with a force of 99,000 Newtons. What is the mass of the
boulder?
Answer:
Mass = 10102.04 kilograms.
Explanation:
Given the following data;
Acceleration = 9.8m/s²
Force = 99000N
To find the mass;
Mass = force/acceleration
Mass = 99000/9.8
Mass = 10102.04 kilograms.
Therefore, the mass of the boulder is 10102.04 kilograms.
pressure, V is volume , T is temperature of a gas and R is gas constant.
b) Can the sum of two equal vectors be equal to either of the vectors?
Explain
convertion of unit 8.28x10^-2ft m
Answer:
yes
Explanation:
no
What happens when weathering and erosion work together?
A. New mountains are created
B. The climate changes overnight
C. Metal objects become rusty
D. They change the earths surface
Plssss help
Answer:
A. New mountains are created
sun *
a.) the hunter
b.) Pole Star
c.) little bear
d.) pattern of stars
e.) nearest star
Plz help :> <3
Answer:
E
Explanation:
A 0.55 kg soccer ball is kicked with a force of 15 N for 0.25 seconds. The ball was at rest before the kick. What is the speed of the soccer ball after the kick?
Answer:
Check pdf
Explanation:
A pendulum is swimging. It swings 85 complete swings and this takes 102 seconds. What is the frequency?
Answer:
0.833 Hz
Explanation:
While, there are plenty of ways to calculate frequency, the one formula you should use in this case is:
#times/seconds --> 85/102
= 0.833 Hz
what is clinograph and how to read it
Answer:
Explanation:
A climograph is a graphical representation of a location's basic climate. Climographs display data for two variables:
(a) monthly average temperature
(b) monthly average precipitation. These are useful tools to quickly describe a location's climate.
Simple explanation of string theory, please don’t plagiarize.
If 14 waves pass one dock every 16.0 seconds determine the period
Aswser: They can be transverse or longitudinal. However, all waves have common properties—amplitude, wavelength, frequency, and speed. Amplitude describes how far the medium in a wave moves. Wavelength describes a wave's length, and frequency describes how often it occurs.
On Earth, what can a divergent boundary
cause?
A. An iceberg
B. A plateau
C. A rift valley
Answer: C
Explanation:
Divergent plate boundary is a linear feature that exists between two tectonic plates that are moving away from each other. Divergent boundaries within continents initially produce rifts, which eventually become rift valleys. Most active divergent plate boundaries occur between oceanic plates and exist as mid-oceanic ridges.
Why should we invest more money in renewable energy resources
Answer:
It is the smarter option.
Explanation:
Renewable energy is the cheapest source of new power generation for more than two-thirds of the world and has no fuel costs. It can reduce the economic burden of energy bills by eliminating fuel charges — especially when coupled with energy-efficiency upgrades in our homes and businesses.
How many atoms are represented by the formula CaF2? A. Four B. Five C. Two D. Three
Answer:
C?
Explanation:
There's 2 different atoms, Ca and F. Unless it's counting the whole thing... then three? (Ca + 2 F atoms)
To construct a non-mechanical water meter, a 0.500-T magnetic field is placed across the supply water pipe to a home and the Hall voltage is recorded.
Required:
a. Find the flow rate through a 3.00-cm-diameter pipe if the Hall voltage is 60.0 mV.
b. What would the Hall voltage be for the same flow rate through a 10.0-cm-diameter pipe with the same field applied?
Answer:
a. 4 m/s b. 0.2 V
Explanation:
a. Find the flow rate through a 3.00-cm-diameter pipe if the Hall voltage is 60.0 mV.
The hall voltage V = vBd where v = flow-rate, B = magnetic field strength = 0.500 T and d = diameter of pipe = 3.00 cm = 0.03 m
Since V = vBd
v = V/Bd given that V = 60.0 mV = 0.060 V, substituting the values of the other variables, we have
v = 0.060 V/(0.500 T × 0.03 m)
v = 0.060 V/(0.015 Tm)
v = 4 m/s
b. What would the Hall voltage be for the same flow rate through a 10.0-cm-diameter pipe with the same field applied?
Since the hall voltage, V = vBd and v = flow-rate = 4 m/s, B = magnetic field strength = 0.500 T and d' = diameter of pipe = 10.0 cm = 0.10 m
Substituting the variables into the equation, we have
V = vBd
V = 4 m/s × 0.500 T × 0.10 m
V = 0.2 V
did anyone do the, kinetic energy lab report in physics?? plzzz help a girl outttttttt i need answerss????ill give you as much brainlist or points
Answer:
yes
Explanation:
How is Newtons second law apply to the egg drop ?
Answer:
Newton's Second Law is applied because of the acceleration caused by natural forces as the egg is plummeting to the earth. And the amount of acceleration the egg has will be largely affected by the amount of force Mr. Baker uses to hurl the egg to the ground.
Explanation:
hope that helps
what is the difference between mass and weight
Answer:
The mass is essentially "how much stuff" is in an object. ... Weight: There is a gravitational interaction between objects that have mass. If you consider an object interacting with the Earth, this force is called the weight. The unit for weight is the Newton (same as for any other force).
Explanation:
Answer:the difference is weight is the force exerted from an object by gravity
Explanation:
And mass is how much “stuff” is in an object
10 Kg box rest on 30 degree incline and begins to slide down.(a) What is the acceleration if no friction is present?(b) What is the acceleration if the coefficient of kinetic friction is 0.2?(c) What is the final speed of box when it reaches the bottom of an incline that is 200 m length? (use the acceleration in part b)
( a) The acceleration of the box in the absence of friction is 8.49 m/s².
(b) The acceleration of the box in the presence of friction is 1.7 m/s².
(c) The speed of the box at the bottom of the incline is 18.44 m/s.
What is the acceleration of the box in absence of friction?
The acceleration of the box if no friction is present is calculated by applying Newton's second law of motion.
mg cosθ = ma
g cosθ = a
where;
g is acceleration due to gravityθ is the angle of inclination of the rampThe acceleration of the box in the absence of friction is calculated as;
a = ( 9.8 ) x ( cos 30 )
a = 8.49 m/s²
The acceleration of the box in the presence of friction is calculated as;
Ff = ma
where;
Ff is the force of frictionμmg cosθ = ma
μg cosθ = a
( 0.2 x 9.8 x cos 30 ) = a
1.7 m/s² = a
The speed of the box at the bottom of the incline is calculated as follows;
v² = u² + 2ah
where;
u is the initial velocity of the box = 0h is the vertical height of fall of the boxa is the acceleration of the boxv² = 0 + 2ah
v = √ ( 2ah )
h = L sinθ
v = √ ( 2 x a x L sinθ )
v = √ ( 2 x 1.7 x 200 x sin 30 )
v = 18.44 m/s
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In some areas, hydroelectric power is not geographically appropriate and a different renewable energy source would be a better option. A conservation group is looking for renewable energy sources other than hydroelectric energy that could be used to generate electricity in grassland ecosystems, such as in the midwestern United States or in a savanna in Africa.
Required:
a. Propose a different renewable resource to use that would be a realistic solution to generating electricity without using fossil fuels or hydroelectric power in a grassland ecosystem.
b. Justify the solution proposed above by explaining a potential advantage of using a different renewable resource to generate electricity.
Answer:
a) wind power system, turbines powered, solar power system
b) the possibility of creating jobs for the local workforce and of maintaining the environment without damaging it.
Explanation:
In a grassland system it may not have great changes in height or mountain system where it is easy to represent a river, therefore a hydroelectric power system is not very feasible.
a) You can have several alternative energy systems.
* If there is a fairly constant air current, a wind power system could be implemented.
* If there is a river with an acceptable flow, a generation system can be implemented with turbines powered by the river flow.
* Another system is a solar power system
b) To select any of the possible systems proposed, the current and future energy requirements of the region must be analyzed.
The amount of energy that each proposal can supply
Analyze the installation costs and the economic benefits of a given system.
Study the possible problems for the maintenance of each system.
A great advantage of these systems is the possibility of creating jobs for the local workforce and of maintaining the environment without damaging it.
The most plausible renewable energy source in a grassland is wind energy.
Renewable energy refers to energy that is obtained from wind, water biomass or underground heat. All of these sources of energy are inexhaustible and hold great prospect to solving the current energy deficit is many parts of the world.
In grasslands, the most plausible renewable source of energy is wind. Winds are abundant in grasslands . It is more plausible than hydroelectric power because it does not create any adverse environmental impact. It is the cleanest energy source.
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Calculate the gravitational pull between the Earth and the Moon
Answer:
F = 1.99 10²⁰ N
Explanation:
The gravitational attraction is given by the expression
F = [tex]G \ \frac{m_1m_2}{r^2}[/tex]
where G is the constant of attraction 6.67 10⁻¹¹ N m²/kg²
in this case the bodies are the Earth and the Moon
let's calculate
F = [tex]6.67 \ 10^{-11} \ \frac{ 7.36 \ 10^{22} \ 5.98 \ 10^{24} }{ (3.84 \ 10^8)^2}[/tex].67 10⁻¹¹ 7.36 10 22 5.98 1024 / (3.84 108) 2
F = 1.99 10²⁰ N
1. It takes Tiffany 0.25 hours to get to school in the mornings. She lives 4.5 miles away
from the school. At what speed is she traveling to get there?
Answer:
0.05
Explanation:
u just divide 0.25/4.5 and u get that
If It takes Tiffany 0.25 hours to get to school in the mornings. She lives 4.5 miles away from the school, then the speed of traveling off the Tiffany would be 28.96 kilometers per hour.
What is speed ?The total distance covered by any object per unit of time is known as speed. It depends only on the magnitude of the moving object.
As given in the problem we have to find the speed It takes Tiffany 0.25 hours to get to school in the mornings. She lives 4.5 miles away from the school,
Speed of traveling = total distance traveled by the Tiffany / Total time
Speed of traveling = 4.5 × 1.609 / 0.25
= 28.96 kilometers per hour
Thus, the speed of traveling off the Tiffany would be 28.96 kilometers per hour .
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