The Rock cycle is a model that describes the formation degradation, and regeneration of rocks as a result of sedimentation magma, and metamorphism. All rocks are made of minerals.
Rock circulation is the process by which rocks change continuously between three types igneous sedimentary and metamorphic. The three processes that transform one rock into another are crystallization, metamorphism erosion, and sedimentation. Any rock can be transformed into another rock by undergoing one or more of these processes. This creates a lock cycle.
Rock circulation is a fundamental concept that describes the transition between three rock types metamorphic igneous, and sedimentary rocks. Simply put it is a set of processes that create and transform rock types within the Earth's crust. Rock cycling by definition is the natural process by which sedimentary igneous, and metamorphic rocks are formed, transformed from one type to another, and destroyed.
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An atom of an element has 8 protons and 9 neutrons in it's nucleus. What is the name of the element?
A rock is kicked horizontally off a dock into the bay 3
times with a higher initial velocity each time as shown to the right. Which of the following statements is true regarding
these scenarios? AND WHY?
(a) The rock takes the longest time to hit the water in
case 3
(b) The rock takes about the same time to hit the water
in each case
(c) The rock hits the water below with the highest speed
in case 1
(d) The rock hits the water with the same speed in each|
case
Student Answer(s):
Student Reasoning:
Answer:
The true statement is;
(b) The rock takes about the same time to hit the water in each case
Explanation:
The given information are;
The direction in which the rock is kicked = Horizontally
The number of different initial horizontal with which the rock as kicked = different horizontal velocity
The time taken for the rock to hit the water is given by the following equation for projectile motion;
y = y₀ + v₀× sin(θ₀)×t - 1/2×g×t²
Where;
θ = The angle the rock makes with the horizontal when it was kicked = 0
y = The height through which the rock drops
y₀ = The initial height of the rock
t = The time taken for the ball to hit the water
g = The acceleration due to gravity ≈ 9.81 m/s²
For the different speeds, v₁, v₂, and v₃, we have;
y = y₀ + v₁× sin(0)×t - 1/2×g×t² = y₀ - 1/2×g×t²
y = y₀ + v₂× sin(0)×t - 1/2×g×t² = y₀ - 1/2×g×t²
y = y₀ + v₃× sin(0)×t - 1/2×g×t² = y₀ - 1/2×g×t²
Therefore, the time it takes for the ball to hit the water is given as follows;
[tex]t = \sqrt{\dfrac{(y_0 - y) \times 2}{g} }[/tex]
Which is the same for each case
However, the speed, v, with which the rock hits the water is given by the following equation;
[tex]v = \sqrt{v_x^2 + v_y^2}[/tex]
[tex]v_y[/tex] = The vertical velocity = v₀ × sin(θ₀) - g×t = v₀ × sin(0) - g×t = -g×t
[tex]v_y[/tex] = -g×t
Therefore, [tex]v_y[/tex], is the same for all three times
While vₓ = v₁, v₂, and v₃, for each of the three times.
Therefore, [tex]v = \sqrt{v_x^2 + v_y^2}[/tex] the speed with which the rock hits the water is different for all three times.
Two curves on a highway have the same radii. However, one is unbanked and the other is banked at an angle θ. A car can safely travel along the unbanked curve at a maximum speed v0 under conditions when the coefficient of static friction between the tires and the road is 0.563. The banked curve is frictionless, and the car can negotiate it at the same speed v0. Find the angle θ of the banked curve.
Answer:
θ = 29.38°
Explanation:
The centripetal force is given by the formula;
F_c = F_n(sin θ) = mv²/r
Now, the vertical component of the normal force is; F_n(cos θ)
Now, this vertical component is also expressed as; F_n(cos θ) = mg
Thus, the slope is;
F_n(sin θ)/F_n(cos θ) = (mv²/r)/mg
tan θ = v²/rg
v² = rg(tan θ)
The initial speed will be gotten from the relation;
(v_o)² = μ_s(gr)
Plugging rg(tan θ) for (v_o)², we have;
μ_s(gr) = rg(tan θ)
rg will cancel out to give;
μ_s = (tan θ)
Thus, θ = tan^(-1) μ_s
μ_s is coefficient of static friction given as 0.563
θ = tan^(-1) 0.563
θ = 29.38°
A racecar on a straight track, starting from rest*, steps on the
accelerates towards the finish line at 10.0 m/s^2. If the finish line is
500.0m away, how yong does it take the car to cross the finish line?"
A 5.08
B 10.05
C 20.05
D 50.0s
E 100.0
HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer
C. 0 N
F=ma=0.5(0)=0 N
Answer:
c
Explanation:
hope it helps
???whats the answers??
The answers is 30 miles per hour, the driver is speeding the car up, section-H, 12 minutes, section-D, and 65 miles per hour.
One-fourth of adults in the United States are not active at all.
true
false
Answer:
true 28%
Explanation:
;"/:;,*"# /hcrvuvf
Answer:
True - - - probably more than one-fourth aren't to be honest
Explanation:
Which circuit is a series circuit
Answer:
The answer is A
Explanation:
Answer:
it is A)
Explanation:
it has multiple circuits.
Calculate the Velocity.
What is the average velocity of a car that moved 60km in 3 hours?
O A: 10 km/h
B: 20 km/h
C: 30 km/h
D: 60 km/h
The car's average speed is 20 km/hr.
There's not enough information given to calculate its velocity.
If an object has two forces acting on it, how can the net force equal 0?
Answer:
Check explanation.
Explanation:
Net force is essentially the sum of the forces enacting upon an object. One example of net force is gravity and normal force. It is commonly accepted that every object has a force acting upon it, even if it is stationary. To give an example, the weight of an object has a force upon the earth but the earth pushes back, essentially meaning that the object will not sink.
What will be the velocity of a train if it covers the distance of 30m in 3 s?
Answer:
Soln:
d=30m
t=3s
now:
v=d/t
=30/3
=10
Which is true about a surface wave? ANSWER FAST
A.It only has properties of transverse waves.
B.It only has properties of longitudinal waves.
C.It has properties of both transverse and longitudinal waves.
D.It does not have properties of either transverse or longitudinal waves.
Answer:
D
Explanation:
Answer:
The guy above me is wrong. The answer is actually...
(C.)
How are the layers of the Earth similar and different from one another?
Answer:
the innermost layer of the earth
Explanation:
the earth has an outer core liquid and an inner core solid they are not chemically distinct from each other but they are chemically distinct from the mantle the core is mainly composed of nickel and iron
A toyota prius can go from 0 m/s to 30 m/s in 15 s. What is its acceleration? Select one: O 15 m/s2 O 2 m/s2 450 m/s2 30 m/s2
Answer:
I think it is 2m/s2
Explanation:
Have a great day:)
When a group has a question about their ohmmeter,
who is the best person to ask for help?
the student with the highest grades
a student whose lab group is finished
the instructor who is leading the lab
a student whose mom is an electrician
Answer:
c
Explanation:
Answer:
C
Explanation:
Which contributions did Johannes Kepler make? Check all that apply.
He revived Aristotle’s model of the solar system.
He solved Ptolemy’s model by proving elliptical orbits.
He proved Galileo’s calculations were incorrect.
He determined that planets move faster when closer to the Sun.
He discovered laws of planetary motion.
Answer:
the answers are 2, 4, and 5.
Explanation:
What is the measure of how much a material resists the formation of an electric field?
A. Permittivity
B. Dielectric
C. Capacitance
D. Resistance
Answer:
C. Capacitance
Explanation:
right on EDGE2021
An airplane lands with an initial velocity of 60 m/s and then slows down at 1.5 m/s2 for 30 seconds. What is its final velocity?
a. 3 m/s
b. 15 m/s
c. 98 m/s
d. 105 m/s
A baseball is thrown vertically downward from the top of a 155 m tower with an initial velocity of -25 m/s. How long will it take, until it reaches the ground?
Answer:
t = 2.55 s
Explanation:
Given that,
Height from which the baseball is thrown, h = 155 m
Initial velocity of the baseball, u = -25 m/s
We need to find the time taken by it to reach the ground. Let the time is t. Using equation of kinematics to find it as follows:
[tex]v=u+at\\\\t=\dfrac{v-u}{a}\\\\t=\dfrac{0-(-25)}{9.8}\\\\t=2.55\ s[/tex]
So, it will take 2.55 seconds to reach the ground.
Ahmet hits a baseball that has a mass of 0.14 kg and accelerates it to 600 m/s2. What is the force that was applied?
Answer:
F = 600N
Explanation:
F = m x a
F = Force
m = mass
a = acceleration
F = 0.14 x 600 = 84N
An object that has 0 acceleration will never be in motion
Answer:
False
Explanation:
Why do mass numbers have a trailing decimal? use the following words describe for credit isotopes protons neutrons electrons in carbon 13
HELP ME
Answer:a number without a decimal are generally not significant. Isotopes are atoms of same element which have the same atomic number but different number of neutrons. Isotopes of elements are represented in the following way: In an atom, the number of protons is equal to its atomic number.. An atom of an element is neutral in nature so atom contains the same number of protons and electrons.
Explanation:
How long will it take a person walking at 2.1 m/s to travel 13 m?
Answer:
I gonna give you the number so but you need to round 6.19047619048
Explanation:
This is a speed formula so you would use the formula speed=distance/timeYou need to rearrange it to time=distance/speedSo you need to divide 13m by 2.1 m/sWhich is a trend for marriage and having children today as compared to past generations?
A.
More people are waiting to cohabitate until after marriage and not having children.
B.
More people are getting married overall and having children immediately.
C.
More people are waiting to get married and typically feel regret after having children.
D.
More people are marrying later and having children later in life.
Answer:
D
Explanation:
Answer:
itssss D
Explanation:
A student lifts a school bag from the ground and puts it on his shoulders 1.5m above the ground. A force of 5N is acting on an object. Calculate the work done by him on the school bag.
Answer:
w = 7.5 [J]
Explanation:
We must remember the definition of mechanical work, which tells us that work is equal to the product of force by distance. This force must be applied in the direction of movement. So we have the following equation:
w = F*d
where:
w = work [J]
F = force [N]
d = distance [m]
Now replacing we have:
w = 5*1.5
w = 7.5 [J]
why is epidermis important for plants
Answer:
Epidermis, in botany, outermost, protoderm-derived layer of cells covering the stem, root, leaf, flower, fruit, and seed parts of a plant. The epidermis and its waxy cuticle provide a protective barrier against mechanical injury, water loss, and infection.
hope this helps
How are velocity and speed related to each other?
Answer:
Velocity is measured by a change in position/time, so that makes it similar to speed. However, to fully clarify velocity, you need to include direction.
Explanation:
So you should have the right answer as selected in the picture.
The distance between a scalar and a vector is that a vector quantity includes what
Answer:
magnitude and direction e.g acceleration,displacement
Which vector points in the direction of the centripetal acceleration of the plane
Answer:
d
Explanation:
A dog with mass 14 kg has a kinetic energy of 135.5 J. What is the speed
of the dog?
A. 2.3 m/s
B. 5.1 m/s
C. 3.2 m/s
D. 4.4 m/s
Answer: D. 4.4 m/s
Explanation:
Answer:The correct answer is 4.4 m/s but I will warn you, A p e x counted it WRONG when I gave this answer.
Explanation: