4 years ago

How does newtons laws apply to the egg drop experiment

1 answer:

5 0

Because an object in rest stays in rest until an unequal force pushes it so gravity is pushing on the egg making it drop

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In a distance -time graph: What type of motion does a curved line represent?

Semmy [17]

Answer: If the speed of an object changes, it will be accelerating or decelerating . This can be shown as a curved line on a distance-time graph.

Explanation:

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3 years ago

Motor oil, with a viscosity of 0.25 N ∙ s/m2, is flowing through a tube that has a radius of 3.0 mm and is 1.0 m long. The drop

Alex73 [517]

Answer:

The average speed of the oil is 1 m/s.

Explanation:

Given that,

Viscosity $\eta= 0.25 N-s/m^2$

Radius r = 3.0 mm

Length = 1.0 m

Pressure = 200 kPa

We need to calculate the average speed of the oil

Using formula of pressure

$\Delta P=\dfrac{8\pi\eta\rho v}{A}$

$v=\dfrac{A\times\Delta P}{8\pi\eta\rho}$

Where, A = area

$\rho$ = density of oil

$\eta$ = viscosity

Put the value into the formula

$v=\dfrac{\pi\times(3.0\times10^{-3})^2\times200\times10^{3}}{8\pi\times0.25\times0.9}$

$v=1\ m/s$

Hence, The average speed of the oil is 1 m/s.

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4 years ago

the density of dead sea surface water is about 1.166 g/ml. how much mass, in grams, would 2 liters of this salty water have?

kogti [31]

<span>Density is a value for mass, such as kg, divided by a value for volume, such as m^3. Density is a physical property of a substance that represents the mass of that substance per unit volume. The mass of the salty water is calculated as follows:

Mass = 1.166 g/mL ( 2000 mL ) = 2332 g of salty water</span>

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3 years ago

Read 2 more answers

The more domains that are aligned in a magnet ___________.

I am Lyosha [343]

Hey, Sissy05pooh!
The more domains that are aligned in a magnet it is stronger, and the magnetic field is larger.

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3 years ago

A rocket accelerates at 25m/s^2 for 5s before it runs out of fuel and dies. What is the maximum height reached by the rocket?

sineoko [7]

Answer:

1109m