Thermal energy is transferred to a substance. Which change can occur?
Answers
Answer:
The temperature scale on which water freezes at 0 and boils at 100. Thermal energy that is transferred from one substance to another; moves from warmer to cooler objects. The transfer of heat by direct contact; occurs when energy is transferred by collisions between particles.
Explanation:
When thermal energy is transferred both kinetic and potential energy increases.
What is thermal energy?Thermal energy is defined as a type of energy which is contained within a system which is responsible for temperature rise.Heat is a type of thermal energy.It is concerned with the first law of thermodynamics.
Thermal energy arises from friction and drag.It includes the internal energy or enthalpy of a body of matter and radiation.It is related to internal energy and heat .It arises when a substance whose molecules or atoms are vibrating faster.
These vibrating molecules and atoms collide and as a result of which heat is generated in a substance , more the collision of particles , higher is the thermal energy.There are three types of thermal energy transfer:1) conduction 2) convection 3) radiation
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Related Questions
A Subtle Relationship
Consider the following facts:
•A charged glass marble suspended from a string will not be attracted by a magnet held next to it.
•The needle of a magnetic compass will still point in the same direction if an electrically charged balloon is held next to it.
What do these observations suggest?
Answers
Answer:
i really wish i can help
Explanation:
but we are not all einsteins
easy question lol
Which of these stars is the hottest star?
A. Red Star
B. Yellow Star
C. Blue Star
D. Orange Star
Answers
Answer:
c. blue star
Explanation:
Got it right on Trivia Crack lol
i hope ur doing great!
i need helpp
Answers
Answer:
Q1: 340m/s
Explanation:
Q1: The velocity of the wave is the product of frequency and wavelength of the wave;
V = F λ
V is the velocity
F is the frequency
λ is the wavelength
Insert the parameters and solve;
V = 2 x 170 = 340m/s
A meteor falls toward Earth's surface. Given that the acceleration due to
gravity is 9.8 m/s^2, what is the meteor's potential energy if it has a mass of 10
kg at an altitude of 400 m?
O A. 408 J
O B. 7,840,000 J
O C. 2J
O D. 39,200 J
Answers
Answer:
39,200J
Explanation:
just took the test
The meteor's potential energy if it has a mass of 10kg at an altitude of 400 m will be 39200 J
What is potential energy ?Potential Energy that depend upon the relative position of various parts of system . It is an energy possessed by an object by virtue of its position or configuration.
mass(m) = 10kg
g (acceleration due to gravity) = 9.8m/s^2
altitude(height (h)) = 400m
Meteor's Potential energy = m * g * h
= 10 * 9.8 * 400 = 39200 J
correct option will be a) 39200 J
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This image of a roller coaster is designed to show important information about potential and kinetic energy. One of these labeled pieces of information is incorrect. Which information is wrong, and why? A) The spot with the “maximum kinetic energy” should be on the lowest point of the roller coaster, at the far left side on the bottom. B) The roller coaster would only have kinetic energy at the point labeled “gravitational potential energy and kinetic energy.” C) The roller coaster would only have potential energy at the point labeled “gravitational potential energy and kinetic energy.” D) The spot marked “maximum gravitational potential energy” should be on the lowest point of the roller coaster, at the far left side on the bottom.
Answers
Answer:
no picture
Explanation:where is the picture
please help me to fix this sentence to sentence with more delivery and fluency
Which amount of water is more between the amount of water that evaporates in a day or the amount of water that comes down as rain in a day?
Answers
Answer:
Is the amount of water evaporated in a day more significant than the amount of rain falling in a day?
Explanation:
Don't overcomplicate it
Describe 3 factors an engineer should take into consideration when choosing material for building the pipes in a pipeline
Gr. 8
Think it has something to do with Viscosity, Density, and Pressure but not sure what
Answers
Answer: 1. Material being transported 2. The temperature of the material being transported 3. How long the pipes will be there (lifespan)
Explanation: 1. - The pipe builder should consider the material being transported to choose the correct material of the pipes to use, so they last long and can hold the material.
2. - Similar to 1, the pipe builder should consider the temperature of the material to choose the correct material of the pipes to use, so the pipes don’t break and function properly.
3. - If the pipe builder uses a material that can hold the material, that’s great! If that material will last a short time, it would not work if the pipes were to be used for a long time.
The things you said before about viscosity, density, and pressure are also correct. The correct answers are mainly talking about factors of the material being used in the pipes.
hope this helped :)
What is friction? Help plsss. Most accurate one will get brainliest!
Answers
Answer:
Explanation:
Friction is a force which opposes the relative motion of two objects in contact.
Answer: The resistance that one surface or object encounters when moving over another
Explanation: The action of one surface or object rubbing against one another.
Example: Sally rubbed the two sticks TOGETHER that is an example of friction.
What is an ampere?
NO GUESSING! ANSWERS ONLY!
Answers
Answer:
the SI base unit of electrical current
Answer:
An ampere is the current that flows through a conductor whose resistance is 1 ohm and the potential difference applied across its ends in 1 volt.
Explanation:
\({ \tt{ampere = \frac{1 \: volt}{1 \: ohm} }}\)
i have a question. If space stands still and earth moves, why do people float and move around in space and how do the planets, stars, nebulae,etc. not move?
Answers
The rover Spirit is a robotic probe that NASA has placed on Mars. The
gravitational attraction of Mars is approximately 62% less than that of Earth. Compared to its measurements on Earth, on Mars the probe has
-the same weight and the same mass.
-a larger weight, but smaller mass.
-a smaller mass and larger weight.
- a smaller weight and the same mass.
Answers
Answer:
D) a smaller weight and the same mass is the answer
Explanation:
The rover Spirit is having a smaller weight and the same mass on Mars because of the Strength of Gravity on Mars
The Strength of Gravity depends on the mass of the object as gravity is directly proportional to mass which means more mass more gravity and vice versa
Another example of an object-to-gravity relation is SUN as Sun is the biggest object in the solar system it has the greatest Gravitational pull which is keeping the planets in the solar system intact and in their paths
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What is it called when wavelengths spread out by passing through an object such as a prism?
A)dispersion
B)refraction
C)reflection
D)absorption
Answers
What fraction of the Moon model was always lit up by the light in your model?
Answers
Answer:10
Explanation:
In the context of the Moon model, the fraction of the Moon that was always lit up by the light is half, or 1/2.
The explanation for this is that the Moon model discussed previously most likely depicts the Moon's phases as seen from Earth. The phases of the moon are caused by distinct areas of the lit side of the moon that are visible from Earth at various times during its orbit.
The Sun always illuminates half of the Moon's surface, leaving the other side in darkness. From Earth, we can only see the bright portion; the unlit portion is invisible. Different phases result from variations in the visible fraction of the lighted half of the Moon as it revolves around the Earth.
Therefore, the fraction of the Moon that was always lit up by the light is half, or 1/2.
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Q1. Think up some examples of your own.
Write four more sentences, one
for each of the words 'push', 'pull', 'stretch' and 'turn'.
answer as a 7th grader, i need all answers.
Answers
Answer:
Explanation:
u deserve brainliest
2.I pulled the door open
3.I stretched the shirt
4.I turned around
oki here are 3 questions! last one's!!
When thermal energy is added to an object, what happens to the motion of the particles?
A.
Decreases
B.
Decreases, then increases
C.
Remains unchanged
D.
Increases
____________________________________________________________
Which is the most accurate comparison of changes in average kinetic energy between the blocks?
A.
Sample 2 will decrease, while Sample 3 will increase
B.
Sample 3 will decrease, while Samples 1, 2 and 4 will increase
C.
Sample 1 will decrease, while Sample 2 will increase
D.
Sample 1 will decrease, while Samples 2 and 3 will increase
_____________________________________________________
Minji wants a cold soda, but the only can she has is room temperature. Which investigative plan would allow her to cool the can as quickly as possible?
A.
Place the can beside an ice pack so that conduction will cool the can throughout and convection will occur from the colder side of the can to the warmer side of the can
B.
Place the can in a refrigerator so that the can will cool evenly as it radiates heat to the colder refrigerator
C.
Place the can beneath an ice pack so that conduction will cool the can beneath the ice pack and convection will cause the colder soda at top to sink and cool the warmer soda at the bottom
D.
Place the can on top of an ice pack so that conduction will cool the can above the ice pack and convection will cause the colder soda at the bottom will rise and cool the warmer soda at the top.
Answers
Describe ONE THING you NOTICE when you look at the data.
Answers
Answer:
No matter your height, PE, or KE, you always end up with the same total energy of joules.
Explanation:
What is the difference between compression and tension
Answers
A driver is driving a 6371 kg lorry. After spotting a hazard, the driver applies the brakes. The lorry decelerates uniformly and comes to a stop 60 m after the brakes are applied. Estimate the braking force needed to stop the lorry.
Answers
Answer:
The estimated braking force needed to stop the lorry is zero, based on the given information and calculations. However, it's important to note that this result is likely not accurate, as some force is required to stop a moving object. It's possible that additional information or calculations are needed to obtain a more realistic estimate of the braking force.
Explanation:
To estimate the braking force needed to stop the lorry, we can use Newton's second law of motion, which states that force (F) is equal to mass (m) multiplied by acceleration (a).
In this case, the lorry decelerates uniformly, so the acceleration is constant. The initial velocity is assumed to be zero since the lorry comes to a stop. The final velocity is also zero. Therefore, we can use the equation:
Final velocity squared (vf^2) = Initial velocity squared (vi^2) + 2 * acceleration (a) * distance (d)
Since vi = 0 and vf = 0, the equation simplifies to:
0 = 0 + 2 * a * d
Solving for acceleration (a), we have:
2 * a * d = 0
a = 0
Since the acceleration is zero, it means that the braking force needed to stop the lorry is also zero. This is likely not an accurate result as some force is required to stop the lorry. It's possible that additional information or calculations are needed to accurately estimate the braking force.
The braking force required to stop a 6371 kg lorry after spotting a hazard and applying the brakes is what the question is asking for. The lorry decelerates uniformly and comes to a stop 60 meters after the brakes are applied.
The following steps will guide you on how to calculate the braking force:
Step 1: Determine the mass of the lorry which is 6371 kg. This will be denoted as m.
Step 2: Determine the distance travelled by the lorry, which is 60 m.
Step 3: Determine the time taken by the lorry to stop. This can be done by using the formula for uniform deceleration, which is a = (v-u)/t where v is the final velocity, u is the initial velocity and a is the uniform deceleration. Since the lorry comes to a stop, its final velocity is zero and its initial velocity is unknown.
However, we can assume that the lorry was initially travelling at a constant speed before spotting the hazard. Therefore, we can assume that the initial velocity was equal to the average velocity of the lorry before the brakes were applied.
This can be calculated using the formula v = d/t where d is the distance travelled and t is the time taken. The average velocity can therefore be calculated as follows: v = d/t = 60 m/t
Step 4: Rearrange the formula for uniform deceleration, a = (v-u)/t, to find u which is the initial velocity. Since the lorry comes to a stop, we know that v = 0.
Therefore: u = v - at where a is the uniform deceleration and t is the time taken to stop which is also equal to the time taken for the lorry to travel the distance of 60 meters. Substituting for v, we get: u = - at
Step 5: Calculate the acceleration of the lorry using the formula a = (v-u)/t. Since the final velocity is zero, we get: a = -u/t = -(-at)/t = a The acceleration is negative since the lorry is decelerating.
Step 6: Calculate the braking force using the formula F = ma where F is the braking force and m is the mass of the lorry. Therefore: F = ma = (-ma) since a is negative = (-6371 kg) (a) Therefore, the braking force required to stop the lorry is -6371a N where a is the uniform deceleration calculated in Step 5.
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Somebody please help this is due now
1. Define the term distance.
2. Define the term displacement.
3. What is the distance the soccer player
runs?
4. What is the displacement of the
soccer player?
Answers
Asset:
Read more
Unless otherwise stated, all objects are located near the Earth's surface, where g = 9.80 m/s2. An Olympic skier coasts down a slope with an angle of inclination of 44 ∘. What is the acceleration of the skier?
Answers
Answer: write it out in number form. It should ge easier from there
The acceleration of the skier will be 6.8 m/s².
The following information can be gotten from the question:
Angle of inclination = 44°.Acceleration due to gravity = 9.80 m/s²Therefore, the acceleration of the skier will be:
= g × sinθ
= 9.8 × sin44°
= 6.8 m/s²
Therefore, the acceleration of the skier will be 6.8 m/s².
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4. The Himalayan Mountains tower as high as 8,854 m above sea level. The rate of plate motion is about 10 cm per year. Use the diagram to explain how the Himalayas formed. Predict how they might look in 10 million years.
Answers
Answer:
Forty million years ago, the continent of India, which was being carried northward by the Indo-Australian plate, collided with Asia forming the Himalayan mountain range (fold mountains). Since the initial encounter, the subcontinent of India has moved 2,000 kilometers farther north at a rate of 5 centimeters a year, sliding beneath Asia as it moves. In 10 million years India will plow into Tibet a further 180km. This is about the width of Nepal.
Answer:Since the initial encounter, the subcontinent of India has moved 2,000 kilometers farther north at a rate of 5 centimeters a year, sliding beneath Asia as it moves. In 10 million years India will plow into Tibet a further 180km. This is about the width of Nepal.
What will a females sex chromosome pair look like if she has a trait for a sex linked recessive trait?
A. X^r X^r
B. X^r Y
C. X^R X^R
D. X^R X^r
Answers
Answer:
1
Explanation:
i have used it before but i dont know what it means WTH DOES AI MEAN
Answers
Answer:
It stands for Artificial Intelligence
Explanation:
Now you are creating a one-week plan for someone who is getting into shape. Include protein, carbohydrates, and good fats.
Help me create a week-long food plan for someone who is trying to get into shape.
Answers
Answer:
Explanation:
Day 1
Breakfast: scrambled eggs, stir-fried veggies, and oatmeal
Snack: whey protein shake
Lunch: grilled chicken breast, mixed greens, and baked sweet potato
Snack: hard-boiled egg(s) and carrot sticks
Dinner: broiled fish, green beans with brown rice
Day 2
Breakfast: protein pancakes with fresh berries
Snack: apple slices and almonds
Lunch: lean ground beef burger on lettuce with tomato, onion, and green beans
Snack: protein shake
Dinner: shrimp stir-fried with bell pepper and brown rice over spinach
Day 3
Breakfast: Greek yogurt, almonds or walnuts, whole grain granola, and fresh berries
Snack: protein shake
Lunch: grilled fish with a spinach salad and broccoli
Snack: egg white omelet with bell peppers and mushrooms
Dinner: chicken breast topped with fresh salsa with a sweet potato and a side salad
Day 4
Breakfast: oatmeal with berries and scrambled egg whites
Snack: turkey breast with carrots and celery
Lunch: sirloin steak with broccoli and mushrooms
Snack: apples with natural nut butter
Dinner: broiled fish, brown rice, and a mixed green salad
Day 5
Breakfast: protein shake with oatmeal
Snack: hard-boiled egg whites with sliced peppers and cucumbers
Lunch: grilled chicken with white bean and tomato salad
Snack: Greek yogurt with berries and nuts
Dinner: grilled fish with quinoa and green beans
Day 6
Breakfast: scrambled egg whites with cheese, peppers, herbs, and Ezekiel bread
Snack: protein shake
Lunch: grilled chicken breast with bell peppers, black beans, and onions over romaine lettuce
Snack: apple and almonds
Dinner: sirloin steak with sweet potato and asparagus
Day 7
Breakfast: Greek yogurt with whole grain granola and berries
Snack: turkey breast with carrots and celery sticks
Lunch: grilled chicken breast over spinach with sliced strawberries and almonds
Snack: protein shake
Dinner: shrimp stir-fried with peppers, onions, and broccoli over brown rice
Bye hope this helps!
sunday: 1 hour jog, 3 meals break fast lunch and diner each has a side of bread meat and veggies and water, and a snack between each meal.
monday: 2 hour jog, 3 meals break fast lunch and diner each has a side of bread meat and veggies and water, and a snack between each meal.
tuesday: 3 hour jog and a visit to the gym, 3 meals break fast lunch and diner each has a side of bread meat and veggies and water, and a snack between each meal.
wednesday: 4 hour jog and a visit to the gym, 3 meals break fast lunch and diner each has a side of bread meat and veggies and water, and a snack between each meal. play a sport.
thursday: 5 hour jog and a visit to the gym, 3 meals break fast lunch and diner each has a side of bread meat and veggies and Pomegranate Juice, and a snack between each meal. play a sport.
friday: 5 hour jog and a visit to the gym, 3 meals break fast lunch and diner each has a side of bread meat and veggies and Pomegranate Juice, and a snack between each meal. play a sport.
saturday: treat yourself
Every morning Mr. Jason travels to school 20 miles and it takes him to get there 30 minutes. How fast was he traveling?
Answers
40miles/h
40mp/h
Hope this helps you
Discuss one component of your school's recycling system that could be automated and predict the economic impact.
Answers
One component of my school's recycling system that could be automated is the sorting of recyclables. Currently, the school relies on students and staff to sort recyclables into the appropriate bins, which can be time-consuming and may result in contamination if materials are not sorted properly.
Automating the sorting process with a machine or conveyor belt system could improve the efficiency and accuracy of the recycling system. It could also potentially reduce labor costs associated with manual sorting.
The economic impact of automating the sorting process would depend on the initial cost of the equipment and any associated installation or maintenance costs. However, over time, the improved efficiency and accuracy of the system could result in cost savings for the school. Additionally, the increased efficiency of the system could potentially lead to increased recycling rates, which could result in cost savings for waste disposal and potentially generate revenue through the sale of recycled materials.
Answer:
Our school has color coded virtual trash cans. For example, a trash can for only paper will only accept paper items, if the item put inside is not paper, it will litter it out and all students have cleaning duties throughout the week so even if you or someone litters you’ll probably have to clean it up at some point anyways. I honestly think it’s very cool. (i wish this was true smh).
A 10 gram ball is held 2 meters from the ground. It has potential energy. Calculate it.
Answers
Answer:
196J or 200J
Explanation:
Potential Energy = mgh
m( mass) = 10gm
h ( height) = 2m
g = 9.8 or 10 m/s ^2 ( choose whichever one is taught to you, usually in my school its 9.8 if the value isn't given )
PE = 10 × 10 × 2 = 200 J
or
PE = 10 × 9.8 × 2 = 196 J
Hope it helps
Answer:
200J
Explanation:
2m x 10gm = 200
What does the small number 2 show in this chemical formula H2O ?
Answers
Answer: two atoms of hydrogen in a molecule of water.
Explanation:
What are the positive and negative effects of the mountain-climbing trade on the local environment and economy? 3-5 sentences, please thx
Answers
Explain the events that would cause these changes in velocity. For each claim, describe the thruster force and how that would result in the pod moving away from the station.
Claim 1: The thrusters caused the pod to move in the opposite direction.
Claim 2: The thrusters only slowed the pod, it didn’t stop; the pod hit the space station, which made it bounce and move in the opposite direction.
Claim 1 question: Firing the thrusters would have caused the pod to move in the opposite direction if . . .
Claim 2 Question: Firing the thrusters only slowed the pod, it didn’t stop; the pod hit the space station, which made it bounce and move in the opposite direction. This would happen if . . .
Answers
Answer: Claim 1
Explanation:
Explain: