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
liraira [26]
3 years ago
15

Keeping in mind that not all flasks are vacuum, Please help me explain how other flasks prevent heat loss?​

Physics
1 answer:
lidiya [134]3 years ago
4 0
The silver coating on the inner bottle prevents heat transfer by radiation, and the vacuum between its double wall prevents heat moving by convection. The thinness of the glass walls stops heat entering or leaving the flask by conduction.
You might be interested in
Stop lamps must be visible within____ to the rear
Charra [1.4K]
The answer is 300 feet. The stop lamp or lamps on the rear of a vehicle must show a red light that is set in motion upon application of the service or foot brake and, in a vehicle manufactured or assembled on or after January 1, 1964, must be visible from a distance of not less than 300 feet to the rear in normal sunlight. Take note, if the vehicle is manufactured or assembled January 1, 1964, the stop lamp or lamps must be visible from a distance of not less than 100 feet. Also, the stop lamp may be combined with one or more other rear lamps. 
3 0
3 years ago
Read 2 more answers
Why is velocity a vector quantity
Jobisdone [24]
Velocity as a Vector Quantity
Because the person always returns to the original position, the motion would never result in a change in position. Since velocity is defined as the rate at which the position changes, this motion results in zero velocity.
4 0
2 years ago
Read 2 more answers
An object of mass 30 kg is in free fall in a vacuum where there is no air resistance. Determine the acceleration of the object.
velikii [3]

Answer:

In free fall, mass is not relevant and there's no air resistance, so the acceleration the object is experimenting will be equal to the gravity exerted. If the object is falling on our planet, the value of gravity is approximately 9.81ms2 .

7 0
3 years ago
a. A 65-cm-diameter cyclotron uses a 500 V oscillating potential difference between the dees. What is the maximum kinetic energy
Sati [7]

Explanation:

Below is an attachment containing the solution.

8 0
3 years ago
Why do the four outer planets have lower density than the four inner planets?
Marrrta [24]
Because the four outer planets are comprised of mostly gases give me a thanks or brainiest answer if this helps! 
4 0
3 years ago
Other questions:
  • In this excerpt from “an episode of war” by stephen crane, why does the doctor promise not to amputate the lieutenant’s arm?
    13·2 answers
  • Where would you expect to have more touch receptors: on the palm of your hand or on the back of your hand? Explain your reasonin
    15·1 answer
  • Why nucleus density is constant. Explain
    8·1 answer
  • You can describe the _______________ of an object by saying it is moving in a straight line or is curved around another object.
    10·1 answer
  • Consider a vibrating system described by the initial value problem. (A computer algebra system is recommended.) u'' + 1 4 u' + 2
    5·1 answer
  • Obliquity describes:
    6·1 answer
  • A wooden block of mass M resting on a frictionless, horizontal surface is attached to a rigid rod of length ℓ and of negligible
    13·1 answer
  • What would happen if earth was further from the sun
    14·2 answers
  • Why is friction useful between your feet and the ground?
    11·2 answers
  • A cylindrical metal bar of diameter 14cm and length 484 cm is to be melted to make a metalic cube.if one side of the box is 220m
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!