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3 years ago

The ???? ,of an object is a vector that is directed toward the center of the Earth.

1 answer:

5 0

<u>The Weight </u>is a vector whose magnitude is the product of the mass m of the object and the magnitude of the local gravitational acceleration. Its always directed toward the center of the Earth.

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When two systems in contact are not at the same temperature, _____ occurs.expansionheat flowfrictionevaporation

Murljashka [212]

Heat flow occurs when two systems in contact are not at the same temperature.

What is heat flow?

when two bodies of different temperatures are in contact, heat flow takes place.
Heat flows till the two bodies in contact achieve equilibrium.
To achieve equilibrium, heat flows from hotter bodies to colder bodies.
There is no heat flow after achieving the state of equilibrium because the amount of heat flow from one body to the other is the same.

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8 0

2 years ago

A projectile is launched at an angle of 60° above the horizontal. compared to the vertical component of the initial velocity of

jeka94

Equal to zero. Because at maximum height before it comes down, it experiences a momentary stop

8 0

3 years ago

Two objects of masses m1 = 0.56 kg and m2 = 0.88 kg are placed on a horizontal

ziro4ka [17]

Explanation:

Stern et al. (1999) and Stern (2000), define this variable as those general visions about the world, reflected in the beliefs that people express about their relationship with the environment and nature.हेलो फ्रेंड्स मारो किसी को इनबॉक्स कैसे करें

3 0

2 years ago

A brass alloy is known to have a yield strength of 240 MPa (35,000 psi), a tensile strength of 310 MPa (45,000 psi), and an elas

Karo-lina-s [1.5K]

Answer:

Here Strain due to testing is greater than the strain due to yielding that is why computation of load is not possible.

Explanation:

Given that

Yield strength ,Sy= 240 MPa

Tensile strength = 310 MPa

Elastic modulus ,E= 110 GPa

L=380 mm

ΔL = 1.9 mm

Lets find strain:

Case 1 :

Strain due to elongation (testing)

ε = ΔL/L

ε = 1.9/380

ε = 0.005

Case 2 :

Strain due to yielding

$\varepsilon' =\dfrac{S_y}{E}$

$\varepsilon' =\dfrac{240}{110\times 1000}$

ε '=0.0021

Here Strain due to testing is greater than the strain due to yielding that is why computation of load is not possible.

For computation of load strain due to testing should be less than the strain due to yielding.

4 0

3 years ago

A child is pushing a merry-go-round. The angle through which the merry-go-round has turned varies with time according to θ(t)=γt

Lana71 [14]

Answer:

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fihgpfghlfikgergkfkjhfkhjgkffhhh

Explanation:

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7 0

3 years ago