1. Explain how this picture is an example of kinetic energy.

2. What factors affect the energy of the ball?

3. What change could be made to give the ball more energy?

Answer:B. Mountain Pose

Explanation:

Here, the black color may be dominant trait in the kittens  and trait for white color is hidden in the kittens.

The genetic codes that creates a particular characteristics in a species is called a gene trait.  Most of common characteristics will be inherited from the parents to the offsprings.

The B gene regulates the synthesis of eumelanin, the pigment that gives cats their black fur. It has three different alleles, or kinds. It just takes one B allele from one parent for a cat to have black fur since the B gene, which causes black fur, is dominant.

Either parent's color or a mixed color is getting for the kittens. Sometimes the one color trait will be hidden in them and in that case they show the color one parent that is dominant.

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Answer: Assuming you are driving a car on the road, consider the motion of the car. As the wheels of the car spin backwards, they push the road backwards. In consequence, the road must push the wheels forward according to the third law of motion. It is this reaction force acting on the wheels causes the car to move forward.

Explanation: hope this helps!

Answer:

C. microscope

Explanation:

A simple microscope is magnifying glass, an ordinary double convex lens having a short focal length that produces virtual and erect image.

Answer:

light loss of balance

Explanation:

it makes the person who is ill unstable

Light loss of balance symptom indicates that Rachel's illness is related to her ear and that she should consult a doctor.

A physical or psychological issue that a person has that could be a sign of an illness or condition is known as symptom. Symptoms are invisible and do not appear on diagnostic tests.

symptoms of illness related to ear in child  include:

Adults typically exhibit the following signs and symptoms in illness related to ear:

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Answer:

hope it helps..

Explanation:

Moment of force about a given axis= Force x perpendicular distance of force from the axis of rotation.

Explanation:

Moment of force about a given axis= Force x perpendicular distance of force from the axis of rotation.

If a  ball is thrown horizontally at a height of 2.20 meters at a velocity of 65.0 m/s. Assuming no air resistance, then the distance traveled by the ball horizontally when it hit the ground would be  43.55 meters.

There are three equations of motion given by Newton,

v = u + at

S = ut + 1/2 × a × t²

v² - u² = 2 × a × s

As given in the problem If a ball is thrown horizontally at a height of 2.20 meters at a velocity of 65.0 m/s. Assume no air resistance.

S = ut + 1/2 × a × t²

2.2 = 0 + 0.5 × 9.8 ×  t²

t² = 2.2 / 4.9

t = 0.67 seconds

The horizontal displacement of the ball = 0.67 × 65

                                                                  = 43.55 meters

Thus, the distance traveled by the ball horizontally when it hit the ground would be  43.55 meters.

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         Why do chemical reactions always involve a change in energy?

The energy change in a chemical reaction is due to the difference in the amounts of stored chemical energy between the products and the reactants. This stored chemical energy, or heat content, of the system is known as its enthalpy.

Answer:

there is transfer of change alone

Answer:

someone pls explain this question

Answer:

It means you multiply everything after the "Big two"

Explanation:

Answer:

its A

Explanation:

Answer:

F = 800 [N]

Explanation:

To be able to calculate this problem we must use the principle of momentum before and after the impact of the hammer.

We must summarize that after the impact the hammer does not move, therefore its speed is zero. In this way, we can propose the following equation.

ΣPbefore = ΣPafter

[tex](m_{1}*v_{1}) - F*t = (m_{1}*v_{2})[/tex]

where:

m₁ = mass of the hammer = 0.15 [m/s]

v₁ = velocity of the hammer = 8 [m/s]

F = force [N] (units of Newtons)

t = time = 0.0015 [s]

v₂ = velocity of the hammer after the impact = 0

[tex](0.15*8)-(F*0.0015) = (0.15*0)\\F*0.0015 = 0.15*8\\F = 1.2/(0.0015)\\F = 800 [N][/tex]

Note: The force is taken as negative since it is exerted by the nail on the hammer and this force is directed in the opposite direction to the movement of the hammer.

Answer:

Weight is a measure of the force of gravity pulling down on an object. It depends on the object's mass and the acceleration due to gravity, which is 9.8 m/s2 on Earth. The formula for calculating weight is F = m × 9.8 m/s2, where F is the object's weight in Newtons (N) and m is the object's mass in kilograms.

Explanation:

Answer:

hope you like

Explanation:

A unit of time is any particular time interval, used as a standard way of measuring or expressing duration.Its SI unit is second

A unit of length refers to any arbitrarily chosen and accepted reference standard for measurement of length. Its SI unit is meter

Answer:

C. Core

Explanation:

Answer:

It would also double

Explanation:

F (force) = mass * acceleration; twice the mass means double tue force needed

Answer: In the 5th dimension, they who claim to know, say that there is only one time, including the past and the future.

Well we know the hypotenuse of the triangle which is 253 m. And we know the angle of the triangle which is 55.8 degrees. So we want to find y. And to find y we use sin. And sin is a ratio, the ratio of the opposite leg, and hypotenuse. So sin(55.8) = y/253. Now we solve for y by multiplying both sides by 253. And finally we get 209.25 as the length of the y component.

Answer:

Acceleration =13.63m/s^2

initial velocity = v = 45

final velocity = u = 0

acceleration = v-u/t

Answer:

Rubber

Glass

Pure water

Oil

Air

Diamond

Dry wood

Dry cotton

Plastic

Asphalt

Other strong insulators include:

Fiberglass

Dry paper

Porcelain

Ceramics

Quartz

Explanation:

I hope this helps

Answer:

d. 14.3 Ns

Explanation:

Mass of the bullet (m) = 23.1 g = 0.0231 kg

Speed of the bullet (v) = 621 m/s

Momentum (p) is measured as the product of mass of the body and it's speed.

Mathematical Representation/Equation of Momentum:

[tex] \boxed{ \bf{p = mv}} [/tex]

By using equation of momentum, we get:

[tex]\rm \longrightarrow p = 0.0231 \times 621 \\ \\ \rm \longrightarrow p = 14.3 \: kg \: m {s}^{ - 1} \\ \\ \rm \longrightarrow p = 14.3 \: Ns[/tex]

The momentum of a 23.1g bullet fired at 621 m/s is 14.3Ns.

HOW TO CALCULATE MOMENTUM:

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Answer:

0.9 N.

Explanation:

Mass (m) of car = 150 g

Initial velocity (u) = 0 m/s

Final velocity (v) = 24 m/s

Time (t) = 4 s

Next, we shall determine the acceleration of the car. This can be obtained as follow:

Initial velocity (u) = 0 m/s

Final velocity (v) = 24 m/s

Time (t) = 4 s

Acceleration (a) =?

v = u + at

24 = 0 + (a × 4)

24 = 0 + 4a

24 = 4a

Divide both side by 4

a = 24 /4

a = 6 m/s²

Thus, the acceleration of the car is 6 m/s²

Next, we shall convert 150 g to Kg. This can be obtained as follow:

1000 g = 1 kg

Therefore,

150 g = 150 g × 1 Kg / 1000 g

150 g = 0.15 Kg

Thus, 150 g is equivalent to 0.15 Kg

Finally, we shall determine the force of the car as follow:

Mass (m) of car = 0.15 Kg

Acceleration (a) of car = 6 m/s²

Force (F) of car =?

F = m × a

F = 0.15 × 6

F = 0.9 N

Therefore, the force of the car is 0.9 N.

Answer:

2917.4 m/s

Explanation:

From the question given above, the following data were:

Gravitational acceleration of the Moon (g) = 0.25 times the gravitational acceleration of the earth

Radius (r) of the Moon = 1737 Km

Escape velocity (v) =?

Next, we shall determine the gravitational acceleration of the Moon. This can be obtained as follow:

Gravitational acceleration of the earth = 9.8 m/s²

Gravitational acceleration of the Moon (g) = 0.25 times the gravitational acceleration of the earth

= 0.25 × 9.8 = 2.45 m/s²

Next, we shall convert 1737 Km to metres (m). This can be obtained as follow:

1 Km = 1000 m

Therefore,

1737 Km = 1737 Km × 1000 m / 1 Km

1737 Km = 1737000 m

Thus, 1737 Km is equivalent to 1737000 m

Finally, we shall determine the escape velocity of the rocket as shown below:

Gravitational acceleration of the Moon (g) = 2.45 m/s²

Radius (r) of the moon = 1737000 m

Escape velocity (v) =?

v = √2gr

v = √(2 × 2.45 × 1737000)

v = √8511300

v = 2917.4 m/s

Thus, the escape velocity is 2917.4 m/s

Answer:

Chemical engineers develop and design chemical manufacturing processes. They apply the principles of chemistry, biology, physics, and math to answer problems that involve the production of chemicals, fuel, drugs, food, and many products

Explanation:

Answer:

The main role of chemical engineers is to design and troubleshoot processes for the production of chemicals, fuels, foods, pharmaceuticals, and biologicals, just to name a few. They are most often employed by large-scale manufacturing plants to maximize productivity and product quality while minimizing costs

Explanation:

Answer:

  a = 7.5 m / s²

Explanation:

For this exercise let's use Newton's second law, let's create a coordinate system with the x axis parallel to the plane and the y axis perpendicular to the plane

Y axis

       N - W cos θ = 0

       N = mg cos θ

X axis

       W sin θ = m a

       mg sin θ = m a

        a = g sin θ

let's calculate

        a = 9.8 cos 40

        a = 7.5 m / s²

Answer:

needle

Explanation:

Answer:

Vf = 34.3 m/s

1st equation of motion was used to solve.

Explanation:

In order to find the final speed of the cow, when it hits the bushes, we can use first equation of motion:

Vf = Vi + gt

where,

Vf = Final Velocity of Cow = ?

Vi = Initial Velocity of Cow = 0 m/s

g = acceleration due to gravity = 9.8 m/s²

t = time taken = 3.5 s

Therefore,

Vf = 0 m/s + (9.8 m/s²)(3.5 s)

Vf = 34.3 m/s

1st equation of motion was used to solve.

Answer:

67 meters (distance) +67 meters (displacement)

Explanation:

21 - (-46) meters

= 21 + 46 meters

= 67 meters

Hope this helped!

Answer:

67m

67m

both dist and displacement are the same oz it is on the same line

Answer: yes

Explanation:

Answer:

you would expect a change in the graph

Explanation: