PHYSICS HIGH SCHOOL

PLEASE HELP :/george walks to a friend's house. he walks 750 meters north, then realizes he walked too far he turns and walks 250 meters south. the entire walk takes him 50 seconds whats his distance and displacement?​

Answers

Answer 1
Answer:

As U asked this question twice sry not twice 4 times.. I have been answered the question..Just look there..

Tq

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As we move through the visible spectrum, red to violet (right to left in the image), the wavelength __________ and the frequency ____________.A) increases; decreases B) increases; increases C) decreases; increases D) decreases; decreases
A central air-conditioner uses 3500W of electricity. If electricity costs $0.087/kW*h. calculate how much it would cost to operate the air-conditioner 24 hours a day for 4 months (120 days).
Explain the right-hand rule as it applies to rotation of winds around a high or low pressure center.
Which best describes stellar equilibrium?A. The balance between pressure caused by heat and gravity caused by the star's mass B. The amount of light generated equals the amount of heat generated C. The equal amounts of elements that make up a star's core D. The stable number of sunspots that exist on a star's surface

When Ava first opened her beverage, there were lots of bubbles. However, as her drink got warmer, she noticed that there were fewer bubbles in it. In general, as the temperature increases, the solubility of solids _______ while the solubility of gases _______. 1) increases, decreases 2) increases, increases 3) decreases, decreases 4) decreases, increases

Answers

In general, as the temperature increases, the solubility of solids increases, while the solubility of gases decreases. Therefore, the correct answer is 1) increases, decreases.

Final answer:

Generally, as temperature rises, solid solubility increases while gas solubility decreases. This is why when a carbonated drink gets warm, it has less bubbles.

Explanation:

Generally, as the temperature increases, the solubility of solids typically increases, while the solubility of gases usually decreases. Thus, for Ava's case with the beverage, as the drink got warmer (indicating an increase in temperature), the bubbles, which are gaseous, decreased. A real-life example of this is a carbonated drink. When you open a cold soda, it starts out very bubbly.

However, if you let it sit and warm up, the gas (carbon dioxide) becomes less soluble in the liquid and leaves the solution, resulting in fewer bubbles.

Learn more about Solubility and Temperature here:

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A 40 kg dog is sitting on top of a hillside and has a potential energy of 1,568 J. What is the height of the hillside?

Answers


                       Potential energy  =  (mass) x (gravity) x (height)

                                   1,568 J  =  (40 kg) x (9.8 m/s²) x (height)

Divide each side
by 392 Newtons:           Height  =  (1,568 N-m) / 392 N

                                              =      4 meters . 

Answer:

B) 4.0m

Explanation:

A _______ is a repeating disturbance or vibration that transfers or moves energy from place to place without transporting mass.force
wave
vacuum
medium
PLZ help me!

Answers

the answer is a wave

Answer:

The Answer is WAVE

Explanation:

A rectangular plate has a length of (22.4 ± 0.2) cm and a width of (8.4 ± 0.1) cm. Calculate the area of the plate, including its uncertainty.

Answers

Area of the rectangle = Length  x  Width
We will calculate the percentage of uncertainties. 
For a length: p 1 = ( 0.2 · 100 ) : 22.4 = 20 : 22.4 = 0.893
For a width: p 2 =  ( 0.1  · 100 ) : 8.4 = 10 : 8.4 = 1.190
p 1 + p 2 = 0.893 + 1.190 = 2.083 %
A = 22.4 · 8.4 = 188.16 +/-  2.083 %
 Uncertainty: 188.16 · 0.02083  = 3.92 
A = 188.16 +/- 3.92 cm²     

Which of the following is the tendency of an object to maintain its state ofmotion?
velocity
O acceleration
O inertia
O force
A net force of 6.8 N accelerates a 31 kaccontor

Answers

Answer:

O inertia

Explanation:

The tendency of a body to maintain its state of motion is inertia.

Inertia is the tendency of a body to remain at rest or in constant motion.

  • According to newtons first law of motion "a body will remain in its state of rest or constant motion unless acted upon by an external force".
  • The tendency of the body to remain in a state of rest or of constant motion is the inertia.
  • Such a body will not want to accelerate or change motion.

Final answer:

The tendency of an object to maintain its state of motion is known as inertia. It's a concept based on Newton's First Law of Motion

Explanation:

The tendency of an object to maintain its state of motion is called inertia. This is a fundamental concept in physics, based on Newton's First Law of Motion, which states that an object will remain at rest or move in a straight line at a constant speed unless acted upon by a net external force. While velocity, acceleration, and force are also involved in motion, inertia specifically is the property that defines an object's resistance to any change in its movement.

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Which phrase is not an example of intracellular communication? A. molecular movement within a cell
B. reaction to pheromones
C.molecule in a cell changes function of cell
D. control of cell division​

Answers

The phrase which is not an example of intracellular communication is :

C) Molecule in a cell changes function of cell.

"Intracellular communication"

The phrase which is not an example of intracellular communication is the molecule in a cell changes function of cell.

The intracellular communication could be a sort of communication which takes put inside a cell or interior a cell.

The intracellular speaks to inside a cell, subsequently, the development of the particle inside a cell may be with cytoplasmic gushing, cargo vesicle transport or any other instrument will speak to the intracellular communication.

Thus, the correct answer is C.

Learn more about "Intracellular communication":

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Answer:

The answer is C

Explanation:

I ave K12 and i just finished it.
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