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3 years ago

Estimate the boiling point of water at a pressure of 1.1 atmosphere

Physics

1 answer:

Nezavi [6.7K]3 years ago

4 0

It is about 100oC at a pressure of 1.1 atmosphere. Hope this helps.

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A thin ring of radius 73 cm carries a positive charge of 610 nC uniformly distributed over it. A point charge q is placed at the

kow [346]

Answer:

q = - 93.334 nC

Explanation:

GIVEN DATA:

Radius of ring 73 cm

charge on ring 610 nC

ELECTRIC FIELD p FROM CENTRE IS AT 70 CM

E = 2000 N/C

Electric field due tor ring is guiven as

$E = \frac{KQx}{[x^2+ R^2]^{3/2}}$

$E = \frac{9\time 10^9 \times 610\times 10^[-9} 0.70}{(0.70^2 + 0.73^2)^{3/2}}$

E1 = 3714.672 N/C

electric field due to point charge q

$E =\frac[kq}{x^2}$

$E = \frac{9\times 10^9 \times q}{0.70^2}$

$E2 = 1.837\times 10^{10}\times q$

now the eelctric charge at point P is

E = E1 + E2 $2000 = 3714.672 + 1.837\times 10[10} \times q$

solving for q

q = - 93.334 nC

7 0

4 years ago

Over 4 seconds, a car's momentum decreases by 1000 kg m/s how much force did it take to make this happen?

kotykmax [81]

Answer:

250N

Explanation:

Given parameters:

Time = 4s

Momentum = 1000kgm/s

Unknown:

Force = ?

Solution:

To solve this problem, we use Newton's second law of motion;

Ft = Momentum

F is the force

t is the time

So;

F x 4 = 1000kgm/s

F = 250N

6 0

3 years ago

The law of conservation of mass applies to all chemical reactions.

serious [3.7K]

True. No matter can be created nor destroyed in pretty much every aspect of life, especially chemical reactions.

3 0

3 years ago

PLEASE HELP ME WILL GIVE BRAINLIEST

weqwewe [10]

Answer:

A.always changing

Explanation:

7 0

3 years ago

Read 2 more answers

Which list below contains only ionic compounds?

Vesna [10]

C.
Explanation: ionic compounds are metals and nonmetals, refer to your periodic table

3 0

2 years ago