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maria [59]
2 years ago
8

What are the forces like in a collision?

Physics
1 answer:
Anuta_ua [19.1K]2 years ago
6 0

Answer:

The forces are a convergent

Explanation:

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In which direction would a positive charge move if it were placed in between the positive and negative charge
Airida [17]

Answer:

I think it would move right

8 0
3 years ago
If scientists could bore though Earth's interior, what change would they most likely notice as they passed from the lithosphere
CaHeK987 [17]

Answer:

It gets hotter and hotter and it would start to be a liquid lava

Explanation:

5 0
2 years ago
The rubber and plastic used in protective clothing do not allow the flow of electric charge
erica [24]

Answer:

True

Explanation:

Insulators are the material that does not allow electricity to pass easily through them. The reason behind using an insulator as a protective layer on an electrical wire or appliances is that they show good resistance to electricity. That prevents us from getting an electrical shock. And rubber and plastics are good examples of the insulator.

Hence our statement is true.

6 0
3 years ago
Two identical blocks are connected to the opposite ends of a compressed spring. The blocks initially slide together on a frictio
Radda [10]

Answer:v

Explanation:

Given

Initially spring mass system is moving towards right with velocity v

Now if the spring is released left block moves towards left with a velocity \frac{v}{2}

As there is no external force applied on the system therefore the change in linear momentum is zero i.e. it is conserved

so center of mass continue to move towards the right with velocity v or we can say right block moves towards right with velocity v_{com}+\frac{3v}{2} and left block moves with velocity v_{com}-\frac{3v}{2}

5 0
2 years ago
A train of mass 50000 kg starts from rest and moves with uniform acceleration 5 km/h2 then, find its kinetic energy after 30 min
r-ruslan [8.4K]

Answer:

12 kJ

Explanation:

Given:

v₀ = 0 km/h

a = 5 km/h²

t = 30 min = 0.5 h

Find: v

v = at + v₀

v = (5 km/h²) (0.5 h) + 0 km/h

v = 2.5 km/h

v = 2.5 km/h × (1000 m/km) × (1 h / 3600 s)

v = 0.694 m/s

KE = ½ mv²

KE = ½ (50,000 kg) (0.694 m/s)²

KE = 12,000 J

KE = 12 kJ

7 0
3 years ago
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