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
EleoNora [17]
4 years ago
11

Dr. Alley has helped drill many holes in ice sheets. Special tools can be lowered down the holes on cables, and tracked to learn

the shapes of the holes. Initially, the holes are straight up and down. Years later, the holes are bent, because the ice in the ice sheet is flowing. What does it mean to say that the ice is flowing?
Physics
1 answer:
hoa [83]4 years ago
3 0

Answer:

Much like shakes in the mantle or iron warmed by a metal forger, the ice is practically hot enough to soften, and distorts as gravity pulls on it, without loosening up into lumps.

Explanation:

  • Materials warmed however not exactly to their liquefying point can results in deformation without breaking or dissolving.
  • It results from the extraordinary convection cells in the mantle. In the event that you list the temperature of the ice in degrees F, it is much colder than the mantle, or iron warmed by a metalworker, or a chocolate bar in your pocket.
  • Be that as it may, the ice has been warmed from total zero nearly to the liquefying temperature, much the same as the mantle and the iron and the chocolate, so the pressure from gravity can make the ice distort or stream.
You might be interested in
Which of the following statements about floating objects is always true? a. The object’s density is greater than the density of
Yuki888 [10]
It should be C. If the object is denser than the fluid, it will sink. If it isn't, it will float
6 0
3 years ago
Read 2 more answers
not all objects have a volume that is measured easily. If you were to determine the mass, volume, and density of your textbook,
Maslowich

Text book: We can measure the mass of the text book easily by weighing machine, to measure the volume we need to measure the length, width, and height of the text book by the ruler, by multiplying these dimension we can get the volume of the text book, and by dividing the mass of the book with its volume we can get the density of the book.

Milk Container: We can measure the mass of the milk container easily by weighing machine, now (assuming the milk container is cylindrical in shape) we need to measure its height, and and diameter and by the formula (π*r^2*h) we can measure its volume, and and by dividing the mass  with its volume we can get the density of the milk container.

Air filled balloon: we can measure the mass of the air filled balloon by weighing it weight machine, we know that the density of air is 28.97 kg/m^3, by dividing the mass of the balloon with the denisty of air we can get the volume of the balloon.

3 0
3 years ago
Read 2 more answers
Select the correct answer. Which of Newton's laws explains why your hands get red when you press them hard against a wall? A. Ne
STatiana [176]

Answer:

D newton third law

Explanation:

good luck

8 0
3 years ago
The position-time graph for a bug crawling along a line is shown in item 4 below. Determine whether the velocity is positive, ne
Naddika [18.5K]

Answer: The velocity at different marked time points are given as

t1 = -

t2 = +

t3 = +

t4 = -

t5 = 0

Explanation:

The slope of the tangent of the curve indicates the instantaneous velocity. So if the slope of the tangent is positive, that Is, the tangent makes a positive angle (above the horizontal axis) with the horizontal

axis, then the velocity at this point is positive, and if the slope of the tangent is negative, that is the tangent makes a negative angle with the horizontal axis (below the horizontal axis), then the velocity at this point is negative.

When the tangent of the line is parallel to the horizontal axis, the velocity is 0.

From the position-time graph attached, the sign on the instantaneous velocity for each time marked on the graph is given below

t1 = -

t2 = +

t3 = +

t4 = -

t5 = 0

QED!

5 0
3 years ago
2. Suppose that a parallel-plate capacitor has circular plates with radius R = 30 mm and a plate separation of d = 5.0 mm. Suppo
seropon [69]

Answer:

The maximum value of the induced magnetic field is 2.901\times10^{-13}\ T.

Explanation:

Given that,

Radius of plate = 30 mm

Separation = 5.0 mm

Frequency = 60 Hz

Suppose the maximum potential difference is 100 V and r= 130 mm.

We need to calculate the angular frequency

Using formula of angular frequency

\omega=2\pi f

Put the value into the formula

\omega=2\times\pi\times60

\omega=376.9\ rad/s

When r>R, the magnetic field is inversely proportional to the r.

We need to calculate the maximum value of the induced magnetic field that occurs at r = R

Using formula of magnetic filed

B_{max}=\dfrac{\mu_{0}\epsilon_{0}R^2\timesV_{max}\times\omega}{2rd}

Where, R = radius of plate

d = plate separation

V = voltage

Put the value into the formula

B_{max}=\dfrac{4\pi\times10^{-7}\times8.85\times10^{-12}\times(30\times10^{-3})^2\times100\times376.9}{2\times130\times10^{-3}\times5.0\times10^{-3}}

B_{max}=2.901\times10^{-13}\ T

Hence, The maximum value of the induced magnetic field is 2.901\times10^{-13}\ T.

7 0
3 years ago
Other questions:
  • you drive in a straight line at 20.0m/s for 10.0 min, then 30.0m/s for another 10.0 min. Find the average speed.
    12·1 answer
  • How do scientists classify small objects in the solar system?
    12·1 answer
  • A uniform disk with radius 0.650 m
    5·1 answer
  • Calculate the amount of work done to draw a current of 8A from a point at 100V to a point at 120V in 2 seconds?
    13·1 answer
  • A homeowner is trying to move a stubborn rock from his yard. By using a a metal rod as a lever arm and a fulcrum (or pivot point
    10·1 answer
  • What is the net force on an object when you combine a force of 10n north with a force of 5n south?
    6·1 answer
  • In a collision, the __________ collision is when an unsecured driver strikes the inside of the vehicle.
    8·2 answers
  • What does a star turn hydrogen into?
    13·2 answers
  • The mass of an object is 60kg on the surface of the earth what will be its weight on the surface of the moon
    12·1 answer
  • If anyone can answer it'd be very appreciated, i need to pass this class
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!