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Vitek1552 [10]
4 years ago
8

A lava flow is an example of what igneous rock

Physics
2 answers:
yaroslaw [1]4 years ago
8 0
It would be an extrusive rock
nydimaria [60]4 years ago
7 0
The answer is extrusive. 
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Two campers dock a canoe. One camper has a mass of 100.0 kg and moves forward at 3.0 m/s as he leaves the canoe to step onto the
KengaRu [80]

Answer:

V = -1.33 m/s

Explanation:

Given,

The mass of the camper, m = 100 kg

The velocity of the camper, v = 3.0 m/s

The combined mass of canoe and another camper, M = 225 kg

The velocity of the combined canoe and another camper, V = ?

According to the law of conservation of momentum,

                          MV + mv = 0  (Since the initial momentum of the dock is 0)

                             V = -mv/M

                                =  -100 x 3/225

                                = -1.33 m/s

The negative sign indicates that the combined objects moves opposite to that of the camper.

Hence, the velocity of the combined canoe and camper is, V = -1.33 m/s

6 0
4 years ago
When a molecule absorbs an infrared photon it contributes to the ________energy of that molecule.
Tpy6a [65]

Answer: INFRARED ENERGY

5 0
4 years ago
If you double the distance between you and the center of Earth, what happens to the strength of the gravitational field you expe
Lostsunrise [7]

Answer:

The strength of gravity decreases.

An example of that would be if you were in space; you float around because there's no gravity.

7 0
3 years ago
A car has a kinetic energy of 1.9 × 103 joules. If the velocity of the car is decreased by half, what is its kinetic energy? 2.2
Harman [31]
If the velocity is decreased by half, then Kinetic energy will reduced to it's 4 times,
= 1.9 * 10³ / 4
=  4.75 * 10²

In short, Your Answer would be Option B

Hope this helps!
8 0
3 years ago
Read 2 more answers
Why are objects that fall near Earth’s surface rarely in free fall?
bulgar [2K]
<span>Objects that fall near Earth’s surface are rarely in free fall.

"Free fall" is the situation where the ONLY force on an object is
the force of gravity, and nothing else.

Objects near Earth's surface are almost always surrounded by air.
If they are falling, then the air is exerting forces on them, and they
are not in "free fall".</span>
4 0
3 years ago
Read 2 more answers
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