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Serggg [28]
3 years ago
9

The acceleration due to gravity for any object, including 1 washer on the string, is always assumed to be m/s2

Physics
2 answers:
7nadin3 [17]3 years ago
7 0

Answer:

10 m/s2

Explanation:

MArishka [77]3 years ago
6 0

Answer:

The value of acceleration due to gravity on all objects near the surface of earth will be 9.8 m/s/s or 10 m/s/s(approx)

Explanation:

here we know that all objects near the surface of earth will experience the force of gravity towards the center of earth.

this force of gravity is given as

F = mg

now to find the acceleration due to this force we can say

a = \frac{F}{m}

here we will have

a = \frac{mg}{m}

a = g = 9.8 m/s^2 or 10 m/s^2

so acceleration due to gravity for all objects near the earth surface is nearly same or constant

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The slope of the line on a speed-time graph tells the speed.
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From the choices provided, the better answer is ' T ' .

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3 years ago
In a container of negligible mass, 0.400 kg of ice at an initial temperature of -29.0 ∘C is mixed with a mass m of water that ha
Pie

Answer:

1 kg

Explanation:

The container has negligible mass and no heat is loss to the surrounding.

Mass of ice = 0.4kg, initial temperature of ice = -29oC, final temperature of the mixture = 26oC, mass of water (m2) = ?kg, initial temperature of water = 80oC, c ( specific heat capacity of water ) = 4200J/kg.K, Lf = heat of fusion of water = 3.36 × 10^5 J/kg

Using the formula:

Quantity of heat gain by ice = Quantity of heat loss by water

Quantity of heat gain by ice = mass of ice × heat of fusion of ice + mass of water × specific heat capacity of water = (0.4 × 3.36 × 10^ 5) + (0.4 × 4200 × (26- (-29) = 13.44 × 10^4 + 9.24 × 10^ 4 = 22.68 × 10^4 J

Quantity of heat loss by water = m2cΔT

Quantity of heat loss by water = m2 ×4200× (80 - 26) = m(226800)

since heat gain = heat loss

22.68 × 10^4 = 226800 m2

divide both side by 226800

226800 / 226800 = m2

m2 = 1 kg

5 0
3 years ago
What is the total number of electrons in the outermost shell of a phosphorus atom in ground state?
Leya [2.2K]
The answer is 3 I hope I helped
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Anwser , this picture
Alisiya [41]
Can you answer more than once ? If so, it’s AB, CD, GH.
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Two technicians are discussing a state emission test. Technician A says that a vent valve that is not able to close can cause th
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Answer: correct option is C

both Technicians A and B are right

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Test cycles specify the specific conditions under which the engine or vehicle is operated during the emission test. The vent valve that is not able to close can cause the system to fail the on-board test. Also, a leaking gas cap can cause a failure of the EVAP test. 

There are many different test cycles issued by various national and international governments and working groups

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