Final answer:
Engine power output is typically measured in horsepower (hp), where 1 hp equals 746 watts (W). The watt is the SI unit for power, defined as 1 joule per second.
Explanation:
The maximum power output of an engine is commonly expressed in a unit known as horsepower (hp). The International System of Units (SI) for power is the watt (W), where 1 W is defined as 1 joule per second (1 J/s). However, in many applications, especially when referring to engines, power is frequently stated in horsepower. To convert horsepower to watts, recall the equivalence that 1 hp equals 746 W.
For instance, the power output of an engine might be specified as 100 hp, which translates to approximately 74.6 kilowatts (kW), since 1 kW equals to 1,000 watts.
0.403 L is equal to:
4.03 mL
40.3 mL
403 mL
4,030 mL
Answer:
0.403 mL = 403 L
Explanation:
In this question, it is required to convert 0.403 litres to millilitres. We know that the conversion from L to mL is as follows :
1 litre = 1000 millilitres
For converting 0.403 L to ml we need to use above relation.
0.403 L is equal to 0.403 multiplied by 1000 so that we get 403 mL.
So, the correct option is (c) ''403 mL''. Hence, this is the required solution.
Which of the following materials has the highest tensile strength?
spider silk
copper
glass
plastic
Choose if the quantity indicated is a vector or a scalar. Quantity: the number of coins in a piggy bank Type of quantity:
Scalars and vectors are different types of physical quantities, with scalars having only magnitude while vectors have magnitude and direction.
Scalars are physical quantities that have only a number value or magnitude, whereas vectors require both magnitude and direction. The number of coins in a piggy bank is a scalar quantity because it only represents the amount without any directional information.
A container full of mercury weighs 1000g. the empty container weighs 320 g. the density of the mercury is 13.6 g? cm3. what is the volume of the box ?
Describe 4 common workplace practices that are risk factors for injury
A person is able to pull a rope with a force of 700 N. What is the minimum number of fixed and moveable pulleys that the person will require to lift up a 27,800 N elephant? Assume the pulleys themselves are weightless and the system has 100% efficiency.
Each pulley reduces the extra effort compulsory to lift the
elephant (light and 100% efficiency). If the elephant "weighs" 27,800
N and the person can apply 700 N,
27,800 / 700 = 39.7 which is about 40 N.
The answer that offers a combined # of 40 pulleys is computed by:
40 / 2 = 20
Therefore the answer is 20 fixed and 20 moveable.
A student arranged the four cards sequentially in a row on the basis of the periods when these events occurred. The card showing the earliest event was placed on the extreme left. Which of these cards was placed third in the row?
A solid object has a density of 0.75 g/mL, in which liquid(s) will it sink? SUPPORT your answer.
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When Edmund Halley visited Newton to ask him about orbits, what shape did Newton tell him orbits must have ?
An unknown substance is tested and found to have the following physical properties: brittle fair conductor of electricity dull (not shiny) The substance is most likely a _____. metal metalloid nonmetal cannot be determined without more data
Answer:
Metalloid
Explanation:
Metals are good conductors of electricity and are generally shiny.
Metalloids are the elements of the periodic table that have properties of both metals and non metals. They may be shiny or dull. They are brittle and are fair conductors of electricity.
Non metals are dull, do not conduct electricity and brittle.
Hence the substance is most likely a metalloid.
in an experiment researchers want to determine if the _____ Variable causes change in _____ variable
a) dependent , independent
b) confounding, independent
c) independent, dependent
d) dependent, extraneous
Answer: c). independent, dependent
Explanation:
An independent variable can be define as the variable which can be changed in an experiment. It can be manipulated manually. The effect of such alteration and manipulation can be observed on the dependent variable.
The dependent variable is the one which changes due to the changes and alteration done by the experimenter on the independent variable.
A driver must _______ for a school bus that is stopped with its red lights flashing on the opposite side of the road.
Name three situations in which force is created. Describe the cause the cause of the force in each situation.
How can 2 objects have the same temperature but different amount of thermal energy?
How does a radio station know how many listeners?
Use the facts below to answer the question: Who reaches One-Eyed Willie’s pirate ship first?
Support your answer with a calculation for each fact.
Fact 1: The Goonies travel 1000m south and then 1200m west to reach One-Eyed Willie’s pirate ship. (Hint: Orange on map) (Lesson 2.16)
Fact 2: Sloth travels the direct route from Goonies to One – Eyed Willie’s pirate ship. (Hint: Blue on map) (Lesson 2.16)
Fact 3: The Goonies start from rest and accelerate at 0.03 m/s2 until they reach the pirate ship. (Lesson 2.19)
Fact 4: Sloth travels at a constant speed of 3m/s. (Lesson 2.01)
If you get stuck with any of these facts, do what you can and also be sure to review the vocabulary and motion graphs!
Why is gold often found in a pure form in nature
_________ is amount of “ground” an object moves from its starting point and __________ is how much “ground” and object covers in total.
Question options:
Displacement, distance
Speed, displacement
Distance, displacement
Movement, distance
I believe the question talks about displacement and distance. The difference of the two is that displacement is the linear distance or shortest distance drawn from the starting point until the final point while distance is the whole trip that is covered, so the answer is:
Displacement, distance
The correct answer is C.
An exoplanet has four times the mass and one-fourth the radius of the earth. find the acceleration due to gravity on its surface, in terms of g, the acceleration of gravity at earth's surface.
The acceleration due to gravity on the surface of the exoplanet is 16 times the acceleration of gravity on Earth's surface.
Explanation:To find the acceleration due to gravity on the surface of the exoplanet, we can use the information that it has four times the mass and one-fourth the radius of the Earth. Gravitational force is directly proportional to mass and inversely proportional to the square of the radius. Since the mass is four times greater and the radius is one-fourth, the gravitational force would be (4/1)^2 = 16 times stronger. Therefore, the acceleration due to gravity on the surface of the exoplanet would be 16 times the acceleration of gravity on Earth's surface, or 16g.
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Non metals are good conductors of heat and electricity true or false
A boat is heading across a river at a velocity of 25 mph. The river is flowing downstream at 10 mph. What is the actual velocity of the boat?
The actual velocity of the boat is 26.6 mph, at an angle of 18.4° to a line drawn across the river.
Explanation:The actual velocity of the boat is the resultant velocity of the boat's velocity and the river's velocity. To find the actual velocity, we need to add the vectors representing the boat's velocity and the river's velocity. Since the boat is heading across the river, its velocity is perpendicular to the river's velocity. Using vector addition, we can find that the boat's actual velocity is 26.6 mph at an angle of 18.4° to a line drawn across the river.
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The actual velocity of the boat is determined by the vector sum of the boat's velocity and the flow of the river. This is calculated by finding the hypotenuse of a right angled triangle where one side is the velocity of the river and the other side is the velocity of the boat. The total velocity will be at an angle less than 45 degrees relative to the shore.
Explanation:To find the actual velocity of the boat, we need to consider both the boat's velocity and the river's downstream velocity. This is a concept known as relative velocity. In our case, the boat is trying to head straight across a river, similar to what is depicted in Figure 3.44. However, given the downstream flow of the river, the boat will actually move diagonally relative to the shore.
Since the river's current will affect the boat's movement, we will calculate the resultant velocity by using vector addition. In a coordinate system where the x-axis is parallel to the velocity of the river, and the y-axis is parallel to the velocity of the boat, the total velocity can be obtained via the Pythagorean theorem:
tot = √ ((25 mph)² + (10 mph)²)
Given that the speed of the river and the boat are not equal, the total velocity direction will be at an angle less than 45 degrees with respect to the shore or X-axis.
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Describe two ways that radio waves and gamma rays are alike and how they are different
best describes an applied force?
An object is raised above the ground gaining a certain amount of potential energy. if the same object is raised twice as high, it gains:
If the same object is raised twice as high, it gains: double the potential energy.
Potential energy (P.E) can be defined as a type of energy possessed by an object (body) as a result of its position (height) above the earth. Thus, potential energy (P.E) is highly dependent on the height above the ground.
Mathematically, potential energy (P.E) is calculated by using the following formula:
[tex]Potential \;energy (P.E) = mgh[/tex]
Where:
m is the mass of object.g is the acceleration due to gravity.h is the height of an object.Since the height of the object is raised twice as high, it simply means the value of height (h) would be multiplied by two (2) and the potential energy (P.E) would double:
[tex]Height = 2[/tex] × [tex]height[/tex]
[tex]P.E = 2(mgh)[/tex]
In conclusion, raising the same object is raised twice as high, would cause the potential energy (P.E) to double (twice as much as the initial value).
The volume of a ball was measured at 500.0 cm3, and then mass was measured on this triple beam balance. what would be the most accurate reading for the mass of the ball? g using this mass, what would be the most accurate calculation of density for the ball? g/cm3
We have that the mass and density are
[tex]m=404.2 g[/tex]
[tex]\rho=0.8084g/cm^3[/tex]
From the Question we are told that
The volume of a ball was measured at 500.0 cm3,
We have that if we are to measure a volume of 500cm^3 we have
mass [tex]m=404.2 g[/tex]
to find Density
[tex]\rho=\frac{m}{v}\\\\\rho=\frac{404.2}{500}[/tex]
[tex]\rho=0.8084g/cm^3[/tex]
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Describe how the motions of the particles that make up an object change when the object's change when the object's temperature increases.
When temperature of the object's change, the motion of its particles also change.
Kinetic energy of the constituent particles increased, when temperature is increased, and vise versa.
It is because as temperature increased, the particles get energy and start moving.
Therefore, when temperature of the object's change, the motion of its particles also change.
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The motions of the particles that make up an object change when the object's temperature increases. Because if the object's temperature increases, the particles begin to move faster so the kinetic energy of the particles can go really fast, while the potential energy particles only increase when they go further apart.
How are the functions of the cytoskeleton and the cell wall similar
Anything that can make an object with mass move is called (2 points)
mass
weight
density
force
Answer:
D (force )
Explanation:
Which type of environmental science career involves collecting information about how human events impact the environment?
a.Environmental journalistb.Environmental physicianc.Environmental engineerd.Environmental designer
Answer: Environmental engineer
Explanation:
Environmental engineering can be defined as the area where impact of human activities on environment takes place.
Human activities as mining, deforestation, building dams has huge impact on the environment.
This is studied under environmental engineering. This subject also allows to find solution for the problems associated with the impact of human activities on environment.
Explain why liquids solidify when they are cooled.