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Kruka [31]
3 years ago
5

Two leopards are fighting over a piece of meat they caught while hunting. The leopards pull on the meat muscle with a force of 1

00. N, stretching the 0.10-m-long tendon by 0.0080 m. If the cross-sectional area of the tendon is 1.0 105 m2, what is its stretch modulus?
Physics
1 answer:
kirza4 [7]3 years ago
3 0

Answer:

Stretch Modulus of the given is

Modulus = 1.25 \times 10^8 N/m^2

Explanation:

By the law of elasticity we know that the ratio of stress and strain is known as modulus of elasticity

So here we have

Modulus = \frac{stress}{strain}

here we have

stress = \frac{Force}{Area}

stress = \frac{100}{1.0 \times 10^{-5}}

stress = 10^7 m^2

now similarly we have

strain = \frac{\Delta L}{L}

strain = \frac{0.0080}{0.10}

strain = 0.08

Now we have

Modulus = \frac{10^7}{0.08}

Modulus = 1.25 \times 10^8 N/m^2

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Answer:

5524.8 m/s

Explanation:

Given that,

Altitude above the surface of earth is 6679 km, the Space Station can complete one orbit in 1.5 hours. We need to find the average speed of the ISS. The average speed of its orbit is given by :

v=\sqrt{\dfrac{GM}{R}}

R is distance from Earth

R = r + d, r is the radius of Earth

R = 6371  + 6679

R = 13050 km

So,

v=\sqrt{\dfrac{6.67\times 10^{-11}\times 5.972 \times 10^{24}}{13050\times 10^3}}\\\\v=5524.8\ m/s

or

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3 years ago
Which types of magma has the highest viscosity?
MAXImum [283]

Answer:

Acidic magma

Explanation:

Viscosity simply refers to the resistance to flow. The magma is comprised of different minerals intermixed with various gases.

There are three main factors that determine the viscosity of the magma, namely-

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The acidic magma has the highest viscosity, as this type of magma is comprised of more than 65% of silica content and are mixed with the dissolved gases such as CO₂, SO₂, H₂S, N₂, CH₄ and so on.

5 0
4 years ago
What does it mean for forces to be in equilibrium?.
lapo4ka [179]

Explanation:

If the size and direction of the forces on the object are exactly balanced , then there is no net force acting on the object

8 0
3 years ago
The driver of a car is driving the car very fast.
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Because the persons head is probably slammed into some part of the car and that means that the persons slammed on the brakes really hard so the person is probably injured
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6 0
3 years ago
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A reaction taking place in a container with a piston-cylinder assembly at constant temperature produces a gas, and the volume in
djverab [1.8K]

Answer:

60.4 J

Explanation:

The work done by the gas is given by:

W=p(V_f-V_i)

where

p is the gas pressure

V_f is the final volume of the gas

V_i is the initial volume

We must convert all the quantities into SI units:

p=860 torr \cdot \frac{1.013\cdot 10^5 pa}{760 torr}=1.146\cdot 10^5 Pa

V_i = 127 mL = 0.127 L = 0.127 dm^3 = 0.127 \cdot 10^{-3}m^2

V_f = 654 mL = 0.654 L = 0.654 dm^3 = 0.654 \cdot 10^{-3}m^2

So the work done is

W=(1.146\cdot 10^5 Pa)(0.654\cdot 10^{-3} m^3-0.127\cdot 10^{-3} m^3)=60.4 J

4 0
3 years ago
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