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They will be instructed to park their cars in a cool dry environment in order to prevent rusting of the vehicle parts.

This is defined as a chemical change in which Iron reacts with Oxygen to form a new substance called Iron oxide.

Iron oxide is usually brownish in color and further corrodes the metal parts. It is also referred to as a Chemical change in chemistry due to new substance being formed.

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Answer:

d(P1,P2) = (x2 x1)2 + (y2 y1)2 + (z2 z1)2. This can be proved by repeated application of the Pythagorean Theorem. Example The distance between P1 = (2,3,1) and P2 = (8,5,0) is d(P1,P2) = (8 2)2 + (5 3)2 + (0 1)2 = 36 + 64 + 1 = 101 10.05.

Explanation:

The most recent information you can get about this star is near 10 years old.

A light-year is a distance unit, that represents the distance that light can travel in one year.

Now, we know that nothing can move faster than the speed of light, and the only information that we can get about this star comes through light (electromagnetic waves). And these waves travel at the speed of light.

So these waves would need at least 10 years to travel from the start to the satellites that can detect them, this means that the most recent information that you can get about this star is actually 10 years old.

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Answer: A

Explanation: The direction of force is opposite but the magnitude of force is equal.

Answer

P V = C R T      natural gas law

P1 V1 = C R T1

P2 / P1 = T2 / T1 = 4       other numbers remain constant and cancel

P2 = 4 P1

The new pressure is 4 times as great.

The new pressure is 4 times greater.

[tex]PV=CRT[/tex] (Natural gas law)

[tex]P1V1=CRT1[/tex]

[tex]\frac{P2}{P1} =\frac{T2}{T1} =4[/tex] (Other members remain constant and cancel)

[tex]P2=4P1[/tex]

Therefore, the new pressure is 4 times greater.

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Answer:easier for a sharp pin to penetrate a piece of cardboard than a blunt one

Explanation:when the same force is used. A solid resting on a horizontal surface exerts a normal contact force equals to its weight.

Answer:

B

Explanation:

The Magician pulled a rabbit out of his hat

Answer:

He began organizing the known elements according to their atomic weights and chemical properties.

Explanation:

Answer is the hind brain

The brainstem is located under the forebrain and midbrain. Therefore option D is correct.

The brainstem is located under both the forebrain and midbrain. It is a vital component of the central nervous system that connects the brain to the spinal cord and controls many essential functions such as breathing, heart rate, and digestion.

It consists of three main regions: the medulla oblongata, pons, and midbrain. The forebrain, midbrain, and hindbrain together constitute the major divisions of the brain.

The hindbrain is positioned below the midbrain and includes structures like the cerebellum, pons, and medulla oblongata.

The brainstem, specifically its lower regions, is responsible for relaying information between the brain and the rest of the body while regulating critical bodily functions.

Therefore option D is correct.

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Answer:

The filament is coiled to give it greater length. If the filament was just a piece of straight wire it would only give out a small amount of light. By curling the wire into a coil, a very long length of wire can be stored in a small space. When electricity flows through the coil it can give out much more light.

Answer:

11.408 joules

Explanation:

soln

From the question above

Mass of ball = m = 1.84kg

Height of ball when dropped = 1.49m

Height of ball when it bounces back up = 0.87m

Recall

Potential energy (P.E) = mass × height × g

Kinetic energy(K.E) = 1/2 × mass × (velocity)²

Mechanical energy = K.E + P.E

M.E lost = M.E when ball dropped – M.E when ball bounces back up

Recall that g = acceleration due to gravity = 10ms²

P.E/K.E when ball dropped = 1.84 × 1.49 × 10

P.E/K.E when ball dropped = 27.416J

P.E/K.E when ball bounces back = 1.84 × 0.87 × 10

P.E /K.Ewhen ball bounces back = 16.008J

Since P.E = K.E

M.E when ball dropped = 27.416J

M.E when ball bounces back = 16.008J

Therefore,

M.E lost = 27.416 - 16.008

M.E lost = 11.408Joules

Answer:

acceleration:  2.14 m/s²

Explanation:

          acceleration =  (final velocity - initial velocity ) ÷ time taken

Here the final velocity is 16 m/s, initial velocity is 4 m/s, time taken is 5.6 s

acceleration = ( 16 - 4 ) ÷ 5.6

                     → 12 ÷  5.6

                     → [tex]\left[\begin{array}{ccc}\frac{15}{7}\end{array}\right][/tex] m/s² or 2.14 m/s²

An object in projectile motion will follow curved up from the ground, curved down toward the ground. The correct options are (a) and (b).

An object in projectile motion will follow a curved path. Specifically, it will follow a curved trajectory that is symmetric around the highest point of its flight. The object will initially move horizontally while also experiencing vertical motion due to the force of gravity. As a result, the object's path will be a parabolic curve.

So, the correct answer is Curved up from the ground (when initially launched) and curved down toward the ground (when it reaches the highest point and descends). The correct options are (a) and (b).

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Answer:

The sun's gravity pulls the planet toward the sun, which changes the straight line of direction into a curve. This keeps the planet moving in an orbit around the sun. Because of the sun's gravitational pull, all the planets in our solar system orbit around it.

Answer:

1.) strength or energy to do an action or movement

2.)an object will jot change its motion unless acted on by an unbalanced force

Answer:

In the near infrared (NIR) and the short-wave infrared (SWIR) spectrums, we measure the reflectivity of objects. Thus, using a specific lighting working in an active infrared spectrum, we can capture the rays reflected by the object and produce its reflectrogram.

Explanation:

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Answer:

Hope This will help you

From the calculation, the kinetic energy of the moving car is 12.5 m/s.

The term kinetic energy refers to the energy that a body possesses as a result of its motion. It is the energy of a moving body.

Now we know that the kinetic energy is  125,000 J and the mass is 1,600 kg. Now;

KE = 1.2 mv^2

v = √2KE/m

v = √ 2 * 125000/1600

v = 12.5 m/s

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Answer:

None of the light energy from the sun can be used directly to fuel cellular work. First it must be captured in the bonds of a molecule called adenosine triphosphate (ATP).

Explanation:

Answer:

A. 490

Explanation:

soln

mass = m = 5kg

Height = h = 10m

Acceleration due to gravity = g = 9.8ms²

K.E = 1/2 × mass × (velocity)²

Recall from equations of motion

v² = u² + 2gh

Therefore,

K.E = 1/2 × mass × ( u² + 2gh)

K.E = 1/2 × 5 × ( 0² + 2×10×9.8)

K.E = 1/2 × 5 × 196

K.E = 1/2 × 980

K.E = 490 Joules

In my opinion it's picture D

Answer:

I think it is the first one: The arrow appears reversed because light is bent as it enters the water, and again as it exits. The two light paths cross, making the direction of the arrow appear crossed.

Explanation:

Answer:

that makes it a scalar quantity

The electric charge only has an amount that makes it a scalar quantity.

A scalar quantity is a type of quantity that can be described by magnitude only. Scalar quantity has no direction and can be represented by magnitude only.

Electric charge with only amount can be said to be a scalar quantity, because it can be completely described by its magnitude only.

Thus, the electric charge only has an amount that makes it a scalar quantity.

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Answer:

Option A

Force applied to an object and distance it moved.

Explanation:

The size of the force applied and the distance something moves.

W = F • d

-TheUnknownScientist 72

it is an example of a translucent object

The resultant force is the overall force. If two forces are acting in the same direction, the resultant force is the sum of all the forces.

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The resultant force is the overall force. If two forces are acting in the same direction, the resultant force is the sum of all the forces. Hence the blanks where r and s are resultant force and sum respectively.

Force is an external factor, which aids a body to change from the state of motion or rest.  There are different types of forces namely, magnetic force, gravitational force, nuclear force, frictional force etc.

The unit of force is newton. According to Newton's second law of motion, the force acting on a body is the product of its mass and acceleration. Thus we have the equation F = ma.

If a body experience's different forces or the same forces in different direction the net force in after all balancing is called the resultant force.  

Now, if two forces are acting on the same direction, the resultant force will be the sum of these forces.

Therefore, the blanks in the place of r and s are resultant and sum respectively.

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