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
olga2289 [7]
3 years ago
8

Why does the earth have a magnetic field?

Physics
1 answer:
marissa [1.9K]3 years ago
8 0
The Earth's molten core rotates at a high speed, which generates the planet magnetic field.
You might be interested in
Kelly sits on a rock. Her weight is an action force. Describe the reaction force.
Mumz [18]
An equal and opposite force acting upwards
7 0
4 years ago
Read 2 more answers
A force of 6.0 Newton’s gives a 2.0kg block an acceleration of 3.0m/s to the right. The force of friction acting on the block is
DochEvi [55]
The force of friction is zero.
Using F = m a = the force needed is 6 N which means no friction can be acting.
3 0
4 years ago
A satellite with mass 500 kg is placed in a circular orbit about Earth (Mass= 5.98 x 10^24 kg), radius = (6.4 x 10^6), a distanc
gizmo_the_mogwai [7]

Explanation:

a) F = GmM / r²

F = (6.67×10⁻¹¹) (500) (5.98×10²⁴) / (6.4×10⁶ + 1.5×10⁶)²

F = 3200 N

b) F = ma

3200 = 500a

a = 6.4 m/s²

c) a = v² / r

640 = v² / (6.4×10⁶ + 1.5×10⁶)

v = 7100 m/s

4 0
3 years ago
Convert 200in/10s into m/s (1m = 39.37in)
stiv31 [10]
5.08




hope you got it right !
7 0
4 years ago
A golf ball and a bowling ball are moving at the same velocity which has more momentum
WARRIOR [948]

Answer:

Bowling Ball

Explanation:

Mass of the bowling ball is higher...

and...

Momentum= Mass*Velocity

Therefore...

Bowling ball have a higher momentum beacause of its higher mass...

5 0
4 years ago
Other questions:
  • State the objects in the universe that reflect light from stars
    5·2 answers
  • A ball is thrown straight downward with a speed of 0.50 meter per second from a height of 4.0 meters. What is the speed of the b
    7·2 answers
  • Considering the factors that affect gravitational pull, in which location would the gravitational pull from the earth be SMALLES
    11·2 answers
  • A boy pulls a wagon with a force of 6 N east as another boy pushes it with a force of 4 N east. What is the net force?
    10·1 answer
  • Compare the structure of a lithium atom to the structure of a lithium ion
    9·2 answers
  • Light with a wavelength of 494 nm in vacuo travels from vacuum to water. Find the wavelength of the light inside the water in nm
    6·1 answer
  • To increase muscular strength the number of reputation should be?
    15·1 answer
  • is the outer electron in potassium more or less strongly attracted to the positive nucleus than the outer electron in sodium is?
    6·1 answer
  • Which of the following is the best example of kinetic energy being transformed into potential energy?
    9·2 answers
  • Something has a mass of 40 kg and a velocity of 1 m/s
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!