Answer:
Human kids are able to acquire more diverse set of skills when they are in there preschool.As they learn how to communicate with their class mates, along with which they also get more developed physically. Kids are more likely to know about running a distance, jumping over obstacles, and can do other form of games and exercises if trained well by the trainer or a coach.
While, some of the physical skills that a preschooler is likely to master are as follows:
jumping over some obstacles.Playing games and doing different types of exercises.Knowing more about being a scout to explore the national parks.
By the age of five, a preschooler is likely to have mastered skipping on alternate feet, catching a ball, balancing on one foot, and possibly beginning to learn how to ride a bicycle with training wheels. These activities mark the development of a child's gross and fine motor skills during early childhood.
A preschooler is likely to master a variety of physical skills as they grow. By the age of five, many children are able to skip on alternate feet, balance on a balance beam, catch a ball thrown from a meter away, and balance on either foot with good control. These milestones demonstrate the ongoing development of both gross motor skills and fine motor skills. Gross motor skills are large movements involving the arms, legs, feet, or the entire body, which improve through activities like running, jumping, and climbing. Fine motor skills focus on smaller actions using the hands and fingers, like cutting with scissors or drawing. For a preschooler, being able to build a three-dimensional structure with blocks by copying a model, or demonstrating good control with a pencil, are indicators of their fine motor skill development.
Moreover, some preschoolers may begin learning how to ride a bicycle with training wheels, enhancing their coordination, balance, and spatial awareness. These examples show the diverse range of physical tasks that children at this age start to master, preparing them for more complex movements and activities in later years.
Non metals are good conductors of heat and electricity true or false
Why is gold often found in a pure form in nature
best describes an applied force?
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.
in human activities how long would carbon stay as fossil fuels
How are the functions of the cytoskeleton and the cell wall similar
Describe 4 common workplace practices that are risk factors for injury
When Edmund Halley visited Newton to ask him about orbits, what shape did Newton tell him orbits must have ?
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?
Two balls are thrown straight up. the first ball is thrown with twice the initial speed of the second. ignore air resistance. how much higher will the first ball rise?]
Anything that can make an object with mass move is called (2 points)
mass
weight
density
force
Answer:
D (force )
Explanation:
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.
The force of gravity is an inverse square law. this means that, if you double the distance between two large masses, the gravitational force between them __________.
If you double the distance between two large masses, the gravitational force between them decreases by a factor of four.
The law of inverse squares states that the gravitational force is inversely proportional to the square of the separation between the masses. The relationship can be described mathematically as follows:
F ∝ 1 / [tex]r^2[/tex]
where r is the distance between the masses and F is the gravitational force.
The inverse square connection causes the force to decrease to one-fourth of its initial magnitude when the distance (r) is doubled.
Thus, in other words, when the space between the masses is doubled, the gravitational force is reduced by a factor of 4.
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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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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 ?
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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What does Kelpers first law of planetary motion imply?
How does a radio station know how many listeners?
what most likley happens to the air at the beach at night
Select the statement that best describes gravity.
Gravity is the force that draws objects closer to the Earth because of the positive or negative charge.
Gravity is the force of attraction between two objects; it is dependent upon the mass of the objects and the distance between the objects.
Gravity is the force that repels two objects of similar charges; it is dependent on the number of charged particles in the objects.
Gravity is the force of attraction between objects of similar weight; it is not a strong force when objects are close to each other.
Explanation:
Gravity is the force of attraction between two objects. It depends upon the mass of the objects and the distance between the objects. Mathematically, the force of gravity is given by :
[tex]F=G\dfrac{m_1m_2}{d^2}[/tex]
Where
G is the universal gravitational constant
[tex]m_1\ and\ m_2[/tex] are masses
d is the distance between two masses
So, statement (2) describes gravity "Gravity is the force of attraction between two objects; it is dependent upon the mass of the objects and the distance between the objects".
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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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 earths gravity pulls on the moon and keeps it in orbit. The moon's gravity _____.
a) doesn't affect anything
b) pulls back on earth
c) pushes the moon away from the earth
d) can only pull on smaller objects such as asteroids but has no effect on the earth
The earths gravity pulls on the moon and keeps it in orbit. The moon's gravity b) pulls back on earth
What is gravity ?The force that attracts a body towards the center of the earth, or towards any other physical body having mass is called gravity .
Due to gravity , a gravitation force exists because of which bodies attract each other . Gravitational force is an attractive force that exists between all objects with mass; an object with mass attracts another object with mass; the magnitude of the force is directly proportional to the masses of the two objects and inversely proportional to the square of the distance between the two objects.
Since both earth and moon have mass , the earths gravity pulls on the moon and keeps it in orbit and the moon's gravity pulls back on earth by their gravitation force of attraction and because of gravity
hence, correct option is b) pulls back on earth
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Name three situations in which force is created. Describe the cause the cause of the force in each situation.
_________ 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.
A driver must _______ for a school bus that is stopped with its red lights flashing on the opposite side of the road.
How can 2 objects have the same temperature but different amount of thermal energy?
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.
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.
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.