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3 years ago

Select all of the answers that apply. which of the following cause volcanic eruptions?

Physics

2 answers:

Marina86 [1]3 years ago

7 0

The answers are A, B, and C.

Arada [10]3 years ago

4 0

I think it's A. Pressure and heat built up in the magma chamber.

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A force of 20N changes the position of a body. If mass of the body is 2kg, find the acceleration produced in the body.2. A ball

shepuryov [24]

Explanation:

Hello there!!!

You just need to use simple formula for force and momentum, 

F= m.a

and momentum (p)= m.v

where m= mass

v= velocity.

a= acceleration .

And the solutions are in pictures. 

Hope it helps..

5 0

3 years ago

A wire has a current density of 6.25 × 10 6 A / m 2 6.25×106 A/m2 . If the cross-sectional area of the wire is 1.79 mm 2 1.79 mm

joja [24]

Answer:17.44A

Explanation: Current density=I/Area

Area is given by 2.79mm^2=2.79×10^-6m^2

Current=I=current density ×Area=6.25×10^6 ×2.79×10^-6=17.44A

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3 years ago

What is the difference between red giant and red dwarf?

Sonbull [250]

the red giant is very tall and the red dwarf is very short.

7 0

3 years ago

Read 2 more answers

Part 1: Describe the mass and surface temperature of the supergiant stars.

lorasvet [3.4K]

The temperature of the surface is between 3,500-20,00
supregiants would be around the top half for the y axis
and it would be a little in the middle for the x axis

6 0

3 years ago

Read 2 more answers

A car travels 300 km in the first 3 hours of a trip. Then it hits traffic and travels only 60 km during the last hour. What is t

Nadusha1986 [10]

Question

A car travels 300 km in the first 3 hours of a trip. Then it hits traffic and travels only 60 km during the last hour. What is the average speed of the of the car?

300 + 60 = 360 Km (total travel)

3 + 1 = 4 hours (total time)

360 : 4 = 90

C.) 90 Km/h is your answer

6 0

3 years ago