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aivan3 [116]
3 years ago
12

1. A body whose mass is 2 kg and has a volume of 500cm just floats

Physics
1 answer:
GarryVolchara [31]3 years ago
8 0

Answer:

Density equals mass over volume so 2 divided 500

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Lenz's Law: A coil lies flat on a tabletop in a region where the magnetic field vector points straight up. The magnetic field va
julia-pushkina [17]

Answer:

Explanation:

The magnetic field is straight up. It is reducing . As per Lenz's law , direction of induced current is such that it opposes the reason which creates it . magnetic field in upper direction is reducing . So current will be such that magnetic field produced by it increases magnetic field in upper direction . In other words , induced current should create magnetic field in upward direction. It is possible when direction of induced current is  anti - clockwise,  when seen from above.

5 0
3 years ago
Does Earth´s magnetic field move?
AlekseyPX

Answer:

Yes it does.

Explanation:

"The North Magnetic Pole moves over time due to magnetic changes in Earth's core. " - Wikipedia.

It does move around as the magnetic north does.

6 0
3 years ago
The graph shows a heating curve for water. Between which points on the graph would condensation occur?​
Radda [10]
I would have to see the graph.. but by looking at one one online, they are between points D and E.

4 0
3 years ago
Read 2 more answers
How do leptons differ from hadrons?
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4 0
3 years ago
2. A person applies a force of 66 N to a fridge as they push it across the length of a standard tennis court. So far today, the
Lubov Fominskaja [6]

Answer:

P=39.2205\, watt

E=374.948 \,cal

Explanation:

Given that:

  • force applied, F=66\,N
  • displacement, s=23.77\,m (length of a tennis court)
  • time taken for pushing, t = 40 s

Since, work is given by:

W=F.s

W=66\times 23.77

W=1568.82\,J

Now, power is given as:

P=\frac{W}{t}

P=\frac{1568.82}{40}

P=39.2205 \,watt

Calories consumed is:

E= 1568.82\times 0.239

E=374.948\, cal

3 0
3 years ago
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