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LUCKY_DIMON [66]
3 years ago
15

Igneous rocks are formed from _____.

Physics
1 answer:
Leni [432]3 years ago
7 0

Answer:

magma

Explanation:

actually cooling and solidification of magma

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A 1200 kg aircraft going 30 m/s collides with a 2000 kg aircraft that is parked and they stick together after the collision and
Leno4ka [110]

Answer:

83.055  m

Explanation:

According to the given scenario, the calculation of skid distance is shown below:-

S = \frac{1}{2} \times (u + v) \times t

Where  

u = 11.3

v = 0

t = 14.7

Now placing these values to the above formula,

So,

S = \frac{1}{2} \times (11.3 + 0) \times 14.7

= 83.055  m

Therefore for computing the skid distance we simply applied the above formula i.e by considering the all items given in the question

4 0
3 years ago
What wave occurs when you push a spring back and forth
kipiarov [429]
Moving a spring back and forth creates a longitudinal wave
4 0
3 years ago
At a certain instant an object is moving to the right with speed 1.0 m/s and has a constant acceleration to the left of 1.0 m/s2
professor190 [17]

Explanation:

Given that,

Initial speed of the object, u = 1 m/s

Acceleration of the object, a=-1\ m/s^2

We need to find the time when the object comes at rest (v=0). Let it is given by :

t=\dfrac{v-u}{a}

t=\dfrac{0-1\ m/s}{-1\ m/s^2}

t = 1 second

So, the object will comes to rest at 1 second. Hence, this is the required solution.

5 0
3 years ago
Х<br> Help<br> Close<br> Pre-video question: What type of cell division produces sperm and<br> ova?
vovangra [49]

Answer:

HI THERE

Explanation:

MEIOSIS produces sperm and ova

thank you

I am also reading this chapter

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8 0
3 years ago
Read 2 more answers
What is the maximum wavelength a photon can have if it is to possess sufficient energy to cause this dissociation?
Alona [7]
I attached the full question.
We need to calculate the enthalpy change first: 
\Delta H=$(247kJ)-(142.3kJ)=+105.2kJ
Keep in mind this is the energy per mole, we need energy per atom:
E=\frac{105200}{6.02 \cdot 10^{23}}
We can see that this reaction needs the energy to get started (enthalpy change is positive).
The energy of a photon is given with this formula:
E=\frac{hc}{\lambda}
We need this photon to have the same energy (or higher) as our enthalpy change:
105.2=\frac{6.62\cdot 10^{-34}\cdot 3\cdot 10^ 8}{\lambda}\\ \lambda=\frac{6.62\cdot 10^{-34}\cdot 3\cdot 10^ 8}{105.2/(6.02\cdot 10^{23})} \\\lambda=1.138\mu m
This wavelenght is clasified as near infrared.


5 0
3 years ago
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