4 years ago

How did scientists discover the Earth had a liquid outer core and solid inner core?

1 answer:

6 0

Dr. Inge discovered the make up of the earths inner core by studying how an earthquakes waves bounced off the core. And Inge Lehmann was studying the waves of a 1929 earthquake when she found them acting inconsistently with solid mantle crust
hope it helps you

You might be interested in

If the man has initial velocity of 0.4 m/s, acceleration is 0.343 m/s^2, a time of 5.8 seconds, and experimental final velocity

agasfer [191]

Answer:

The answer is going to be C.

Explanation:

Trust me. Im an expert in physics

6 0

3 years ago

Which are electromagnetic waves? Check all that apply.

Scrat [10]

Answer:

infrared waves

radio waves

ultraviolet waves

Explanation:

Radio waves are used for communication such as television and radio.

Infrared light is used by electrical heaters, cookers for cooking food, and by infrared cameras which detect people in the dark.

Ultraviolet radiation can kill bacteria that are present in water - this sterilises the water and makes it safe to drink.

4 0

3 years ago

What is equilibrium state

anastassius [24]

Answer:

A state of rest or balance due to the equal action of opposing forces.

4 0

3 years ago

Read 2 more answers

Please help i need help i’ll give lots of points

N76 [4]

Answer:

OK so ik this but what is you question?

Explanation:

8 0

3 years ago

Read 2 more answers

A car of mass 1200kg moving 90km/hr is brought to rest over a distance of 20m. calculate breaking force.

patriot [66]

Answer:

-18,750N

Explanation:

90x1000

-------------

3600

u=25m/s

v=0m/s

v^2=u^2+2as

v=0

=625+(2×a×20)

625+40a

-625=40a

a= -15.625 m/s^2

F=ma

=(1200)(-15.625)

= -18,750N

4 0

2 years ago