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Alex777 [14]
2 years ago
15

Burning a canful of petrol or dropping it. which is likely to release most energy?​

Physics
1 answer:
Neporo4naja [7]2 years ago
5 0

Answer:

Burning of canful of petrol will release more energy

Explanation:

If you like my answer than please mark me brainliest

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How do oxygen and beryllium atoms transform into oxygen ion O2- and Be2 beryllium ion Be2? tysm
Hoochie [10]
On the whole, the metals burn in oxygen to form a simple metal oxide. Beryllium is reluctant to burn unless it is in the form of dust or powder. Beryllium has a very strong (but very thin) layer of beryllium oxide on its surface, and this prevents any new oxygen getting at the underlying beryllium to react with it.
7 0
2 years ago
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If a 50-kg Person is running at a rate of 2m/s, the person's momentum is _____ kg• m/s.
sergiy2304 [10]

Answer:

100

Explanation:

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8 0
3 years ago
A 50kg girl is playing soccer. She runs towards the ball at a speed of 7 m/s. How much kinetic energy does she have as she runs
stepladder [879]
The calculation for kinetic energy is this

KE = 1/2mv^2

KE = 1/2(50)(7^2)

KE = 1/2(49•50)

KE = 1225 kgm^2/s^2.

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3 0
3 years ago
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Generators use the magnetic field of which of the following to produce an electric current?
STatiana [176]
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5 0
3 years ago
A positive charge is moved from point A to point B along an equipotential surface. How much work is performed or required in mov
Nitella [24]

Answer:

No work is performed or required in moving the positive charge from point A to point B.

Explanation:

Lets take

Q= Positive charge which move from  point A to point B along

Voltage difference,ΔV =V₁ - V₂  

The work done

W = Q . ΔV

Given that  charge is moved from point A to point B along an equipotential surface.It means that voltage  difference is zero.

ΔV = 0

So

W = Q . ΔV

W = Q x 0

W= 0 J

So work is zero.

5 0
3 years ago
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