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docker41 [41]
3 years ago
14

15 POINTS PLZ HELP IM ON A TIMER! IM ON EDGE EXAM

Physics
2 answers:
sleet_krkn [62]3 years ago
8 0

Answer:

B.) Pressure traps dissolved gases in magma

Explanation:

I hope this answer is correct

Anestetic [448]3 years ago
4 0

Answer:

B

Explanation:

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The best answer to the question '<span>What does an alpha particle consist of?' would be letter c. An alpha particle consists of 2 protons and 2 neutrons. It is a particle that has no electrons and balances out the positively charged protons. </span>
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Hydrogen is in Group 1A of the periodic table, known as the alkali metals, although it obviously isn't a metal. What is the reas
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3 years ago
The wave speed on a string under tension is 200 m/s. What is the speed if the tension is doubled?
Maksim231197 [3]

Answer:

v = 282.84 m / s

Explanation:

The speed of a wave in a wire is given by the equation

       .v = √ T /ρ

Where v is the speed of the wave, T the tension in the wire and ρ the density of the wire

 If the tension is doubled

        T = 2T₀

        v = √ (2T₀ / ρ)

        v = √2   √ T₀ / ρ

        v = √2  v₀

calculate

       v = √2  200

       v = 282.84 m / s

3 0
3 years ago
Federal board paper of class 10 of physics​
zzz [600]

Answer:

If you are looking for past papers you can search that up and you will find plenty of resources that will help you out.

8 0
3 years ago
A car with speed v and an identical car with speed 2v both travel the same circular section of an unbanked road. If the friction
yawa3891 [41]

Answer:

F'=\dfrac{F}{4}

Explanation:

Let m is the mass of both cars. The first car is moving with speed v and the other car is moving with speed 2v. The only force acting on both cars is the centripetal force.

For faster car on the road,

F=\dfrac{mv^2}{r}

v = 2v

F=\dfrac{m(2v)^2}{r}

F=4\dfrac{m(v)^2}{r}..........(1)

For the slower car on the road,

F'=\dfrac{mv^2}{r}............(2)

Equation (1) becomes,

F=4F'

F'=\dfrac{F}{4}

So, the frictional force required to keep the slower car on the road without skidding is one fourth of the faster car.

8 0
4 years ago
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