1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ddd [48]
3 years ago
9

Help me answer these plz it's physics energy transfer

Physics
2 answers:
jekas [21]3 years ago
8 0
Why doesn't cold air escape out of the top of a freezer?
The cold air cannot get out of the top of the freezer. The lid forms a seal preventing air from escaping. Furthermore, the lid and sides of a freezer is made from an insulating material. Insulators prevent heat transfer, keeping the cold inside the freezer and the warm outside.

Heat transfer in solids takes place by conduction. Describe the process of conduction in terms of particle movement.
Conduction is the method of heat transfer requiring direct contact. The molecules of solids are typically held  in tight lattices where they are mostly immobile. However, when they are heated the particles become more energetic and move about more. In this higher energy state, the particles collide more frequently. As they collide, energy is transferred allowing the solid to heat more uniformly.
raketka [301]3 years ago
4 0
Cold air cannot escape a freezer due to there being no conductors for it to transfer heat with in other words no other energy to transfer with
You might be interested in
Why can you still see<br>the Moon during an<br>eclipse?​
love history [14]
During a total lunar eclipse, Earth completely blocks direct sunlight from reaching the Moon. The only light reflected from the lunar surface has been refracted by Earth's atmosphere. ... Due to this reddish color, a totally eclipsed Moon is sometimes called a blood moon.
3 0
4 years ago
_____ bias describes when your likes and dislikes affect how you think about something.
sdas [7]
It is confirmation bias which is favoring your own hypothesis and selective seek
5 0
4 years ago
If the oven is used for two hours to bake cookies how many kilowatt hours are used
LUCKY_DIMON [66]
. In 1 hour 2400 kilowatts are used. In 2 hours a total of 4800 kilowatts are used.
3 0
3 years ago
Can someone please help on this one?
zhuklara [117]

Please READ Newton's first law of motion, and you'll see how nicely it explains that fact.

8 0
4 years ago
A football player runs at 8m/s and plows into a 80kg referee standing on the field causing the referee to fly forward at 5m/s. I
madreJ [45]

The topic here is momentum.

When a collision is said to be elastic, it means that the colliding objects now travel at their own new, indivual and distinct velocities, often in different directions.

So we write that as,

(mass of football player x velocity of football player) + (mass of referee x velocity of referee) = (mass of football player x velocity of football player) + (mass of referee x velocity of referee)

(M × 8) + (80 × 0) = (M× 0) + (80 × 5)

8M = 400

M = 50 kg

4 0
3 years ago
Other questions:
  • A bicyclist is in a 50-km race. She says she had an average velocity of 35. What is missing in the cyclist's velocity? A. units
    11·2 answers
  • Object dropped from height of 25 meters, what velocity will it hit the ground?
    6·1 answer
  • Who is better The Flash or Reverse-Flash
    15·2 answers
  • Is F=1/l√T/m dimentionally correct?​
    8·1 answer
  • An object is accelerates for 10 seconds at 8 m/s after a force of 300 joules is applied to it. . What is the mass?
    10·2 answers
  • What is a permanent magnet​
    15·1 answer
  • Water flows over a section of Niagara Falls at the rate of 1.2×106 kg/s and falls 50.0 m. How much power is generated by the fal
    12·1 answer
  • ANSWER QUICKLY IN LESS THAN A MINUTE!!EASY!​
    6·1 answer
  • If a wave has a frequency of 6 waves per second and a wavelength of 10 m, what is the wave's speed?
    13·1 answer
  • Which physical property of matter depends on push
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!