Answer:
v = 30 m/s
Explanation:
KE = (1/2)*m*v²
675,000J = .5*1500kg* v²
v² = (675,000J)/750kg
v = sqrt(900)
v = 30 m/s
Bx = -1.33 m and By = 2.81 m
Find the magnitude of the
vector.
Answer:
Explanation:
The formula for the magnitude of a vector is
[tex]B_{mag}=\sqrt{(-1.33)^2+(2.81)^2}[/tex] and then round to the hundredths place:
3.11 m. Since we are in Q2, we can also find the direction of this vector:
[tex]tan^{-1}(\frac{2.81}{-1.33})=-64.7[/tex] but since we are in Q2, we add 180 degrees to the result, getting the angle to be 115.3
Answer:115.33
Explanation:
8892 ml to grams then to mg
Answer:
8892 ml = 8892 gm = 8892000 mg
1 ml = 1 gram
8892 ml = 8892 gram
1 gram or ml = 1000 milligram
8892 ml = 8892 × 1000 = 8892000 milligram
hope this helps
have a good day :)
Explanation:
remember: 1 kilogram = 1000 gram = 1000000 milligram.
Milliliter is expressed same as gram and liter is expressed same as kilogram.
1 meter = 100 cm, 1 kilometer = 1000 meter,
1 cm = 10 millimeter.
You can't convert ml to gm unless you know the substance. They're all different.
Pls explain the nature of the image formed by the pin-hole camera
Answer:
→Inverted image ( upside down )
→Real image ( because it is formed on the screen )
→Magified image ( image size is greater than object size)
Which of the following statements is false?
A. Scalar quantities have size or magnitude only
B. Vector quantities have both magnitude and direction
C. Mass, length and time are all scalar quantities
D. Distance, velocity and acceleration are all vector quantities
Answer:
I think it might be c.
Explanation:
Hope it's right :3
In which direction does the frictional force act on the cube? A) upwards B) downwards C)in all the directions D) side to side
Answer:
D) side to side
Explanation:
The frictional force act on the cube in the side to side direction. The friction force acts opposite to the direction of the motion of an object which reduces its speed or sometimes prevent it from moving from one place to another. In order to reduce the force of friction, the body has to move by rolling instead of sliding and use of lubrication on the surface on which the object moves.
Which of the following are in the correct order from smallest to largest?
A.Millimeter, meter, centimeter, kilometer
B.Meter, millimeter, centimeter, kilometer
C.Millimeter, centimeter, meter, kilometer
D.Centimeter, millimeter, meter, kilometer
Answer:
Millimeter, Centimeter, meter, kilometer
Explanation:
K H D M D C M
This is what I say to remember them
Kick Him Down Mommy Don't Commit Murder
Describe grafting, what are the
three methods?
Answer: cleft grafting, inlay grafting, four-flap grafting, and whip grafting.
Explanation:
I hope I helped , Have a great day or night . Xoxoxo.
Oo8. The diagram below models Mercury and Venus orbiting the sun.
Orbits of Mercury and Venus
Sun
Venus
Mercury
What forces causes Venus to travel along a curved path Instead of moving in a straight line as indicated by the dashed
line in the diagram
Answer: it is B
gravitational attraction between the sun and Venus
Explanation:
which of the following is a way that science and the economy interact
Answer: (A) Science is often used to make new technology that people can sell.
Explanation:
Scientific discoveries serve as a basis for industrial developments of new technologies. That development is very often driven by economical considerations. Viable, well-developed, well-implemented solutions sell.
The history of industrialized world is one treasure trove of examples of (A) (think of your iPhone X selling for $1000 a pop)
Explanation:
entropy is the amount of heat a system releases. true or false?
Answer:
The answer to this is FALSE.
A scholar climbs up 8 m of stairs while using 500 J of work in 10 seconds.
What is their power?
Answer:
according to the new geometry lesson alcometry which will after 11 years in geometry
The image shown is an illustration of Kepler’s second law. An illustration with a circle representing the sun and a smaller circle representing a planet. The sun is at a focus of a draw ellipse that the planet is on. There are lines drawn radially out from the Sun to the elliptical path of the planet. The planet is at the part of the ellipse that is closest to the sun. The position of the planet is labeled W and the position opposite the planet is labeled Z. The line closest to W is labeled X and the line closest to Z is labeld Y. Which conclusion is best supported by the image? The gravitational force at W is less than the gravitational force at Y. The time needed to travel from W to X is the same as the time needed to travel from Y to Z. The gravitational force at W is the same as the gravitational force at Y. The time needed to travel from W to X is greater than the time needed to travel from Y to Z.
Answer:
B; the time needed to travel from W to X is the same as the time needed to travel from Y to Z.
Explanation:
According to Kepler's Second Law, the time it takes to travel each sweep of area is equal, the same way the area of each section is also equal. Also, this answer is correct on Edge.
Answer:
The answer is B !
Explanation:
I took the test and got it correct
. What is the mass of an object if it is pulled by a 5 Newton force and it accelerates at a rate of 20 m/s/s?
Please help ASAP
F = ma
so, we can write it as;
= 5 = m × 20
= 5/20 = m
= 1/4 = m
= 0.25 kg = m
How hard is ap physics 1
Answer:
It depends if your smart
Explanation:
Also, I plead the 5th
[tex]what \: is \: light \: {?} [/tex]
Light is a form of electromagnetic radiation with a wavelength which can be detected by the human eye. It is a small part of the electromagnetic spectrum and radiation given off by stars like the sun. Animals can also see light. The study of light, known as optics, is an important research area in modern physics.
Answer:
Light is a form of energy which produces the sensation of sight .hope it is helpful to you
How does electromagnetic radiation transfer energy from one place to another?
Question 6 options:
it uses electric and magnetic fields, so it does not need a medium
it needs a medium so it can transfer energy from one molecule to the next
it is a type of mechanical wave
it allows the energy to "jump" from one spot to the next
Answer:
The second one
Explanation:
For example using a battery, copper, and a nail
The angle at which the refracted light ray lies
along the boundary of the two mediums, this
is the definition of
Answer:
Critical angle
Explanation:
The angle of incidence when the refracted angle is 90°; we have the critical angle at this point. At this point, the refracted ray lies between the boundary between the two medium, this is the angle just before total internal reflection occurs, as the refracted angle exceeds 90°, all rays are reflected. Hence, we can conclude that it is the largest angle at which reflection can still occur.
Next
Comparative Anatomy: Mastery Test
Subm
Which organism is structurally similar to this organism?
Answer:
maybe it is the first one
A 1.00kg object vibrates at the end of a vertical spring. If the frequency of the vibration is 1.25Hz, what is the spring constant?
Answer:
61.62 N/m
Explanation:
Applying,
1/F = 2π[tex]\sqrt{m/k}[/tex].................. Equation 1
Where F = frequency, m = mass of the spring, k = spring constant, π = pie.
make k the subject of the equation
k = m(2πF)²............... Equation 2
From the question,
Given: m = 1.00 kg, F = 1.25 Hz
Constant: π = 3.14
Substitute these values into equation 2
k = 1(2×3.14×1.25)²
k = 61.62 N/m
what happens to the piece of plastic?
Answer:
it reheated and use form another
The pulley system has a mechanical advantage of 5. Determine how much input force is required to achieve 1000 N of lifting force.
Answer:
Input force of pulley system = 200 N
Explanation:
Given:
Mechanical advantage of pulley system = 5
Output force from pulley system = 1,000 N
Find;
Input force of pulley system
Computation:
Mechanical advantage = Output force / Input force
Mechanical advantage of pulley system = Output force from pulley system / Input force of pulley system
5 = 1,000 / Input force of pulley system
Input force of pulley system = 1,000 / 5
Input force of pulley system = 200 N
The energy diagram shows the changes in energy during a chemical reaction.
Which statement best describes the total energy change of the system?
Potential energy
n
Reaction progress
O A. Energy is released, and the products have higher potential energy,
O B. Energy is absorbed, and the reactants have higher potential
energy
O C. Energy is released, and the reactants have higher potential energy.
O D. Energy is absorbed, and the products have higher potential energy.
Statement B best describes the total energy change of the system. Energy is absorbed, and the reactants have higher potential energy.
What is a chemical reaction?One or more compounds, known as reactants, are transformed into one or more distinct substances, known as products. Such a process is known as a chemical reaction.
The energy diagram depicts how energy fluctuates during a chemical process.
The statement that best characterizes the overall energy change of the system is, "energy is absorbed, and the reactants have greater potential energy".
Hence, statement B best describes the total energy change of the system.
To learn more about the chemical reaction refer to the link;
https://brainly.com/question/22817140
#SPJ1
Answer: Energy is RELEASED and the REACTANTS have HIGHER potential energy.
Explanation: I took the test
I need help picture above
Answer:
99.75 is the correct answer
What is the difference between the chemical bonds formed in molecules of
N2 and the chemical bonds formed in crystals of Mgo?
A. MgO is a covalent substance, and N2 is an ionic substance.
B. Both N2 and MgO are covalent substances, but the bonding
electrons in MgO are shared more equally between atoms than
they are in N2
C. Both N2 and MgO are covalent substances, but the bonding
electrons in N2 are shared more equally between atoms than they
are in Mgo.
D. Mgo is an ionic substance, and N2 is a covalent substance.
Answer:
D
Explanation:
Mgo is ionic and N2 has covalent bonds
Which organism is structurally similar to this organism
Answer:
The correct answer is "Common Ancestry." Scientists notice structural similarities between fossils of a land animal and an aquatic organism. They know the similarities are not a result of the two organisms having to adapt to similar environments. The similarities are brought by the common ancestry of the two organisms.
Read more on Brainly - https://brainly.com/sf/question/1115688
Answer: middle one that looks like a bird
Explanation:
help asap please!!!!
Answer:
true is correct answer answer
Block A of 5 kg with a speed of 3 m/s collides with block B of 10 kg that is stationary. After the collision, block B travels with a speed of 2 m/s
Answer:
-1m/s
Explanation:
We can calculate the speed of block A after collision
According to collision theory:
MaVa+MbVb = MaVa+MbVb (after collision)
Substitute the given values
5(3)+10(0) = 5Va+10(2)
15+0 = 5Va + 20
5Va = 15-20
5Va = -5
Va = -5/5
Va = -1m/s
Hence the velocity of ball A after collision is -1m/s
Note that the velocity of block B is zero before collision since it is stationary
Which of the following best describes the use of a non-renewable resource? Nuclear energy heats water into steam that turns the turbines of a power plant. Water falls through openings in a dam turning turbine blades that generate electricity. Wind turbines gather energy from the wind and convert it into electrical energy. The electronic signs along the highway are run by solar power.
Nuclear energy ... non-renewable. It uses up the Uranium, and then we have to dig more Uranium out of the ground.
Water falling ... renewable kinetic energy, as soon as the sun lifts the water back up into the sky, and then it falls intk the lake again, and runs through the turbines again.
Wind turbines ... renewable kinetic energy, as soon as the sun heats the world unevenly again, and winds blow again.
Electronic signs run by solar power ... the solar power shines down on us, and will continue doing that for a few more billions of years, whether we use it or not. So we don't use up the sun by grabbing some of that energy.
Answer:
I just took the test and its A
Explanation:
Nuclear energy heats water into steam that turns the turbines of a power plant.
Determine the mechanical advantage of a car jack that uses an input force of 30 N and provides an output force of 600 N. pls answer quick
Answer:
Mechanical Advantage of car jack is 20
3.2.2 Quiz: Energy of Chemical Relons Question 9 of 10 The energy diagram shows the changes in energy during a chemical reaction Which statement best describes the total energy change of the system? Potential energy Reaction progress
The reactants have a higher potential energy and energy is released.
What is the potential energy graph?The potential energy graph shows a plot of the progress of a reaction. The hump on the graph is the activation energy of the reaction.
The statement that best describes the total energy change of the system is that; reactants have a higher potential energy and energy is released.
Learn more about potential energy of a reaction:https://brainly.com/question/15371310
#SPJ1
