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3 years ago

People began to study classical thought wing the Renaissance to

Physics

1 answer:

MrRissso [65]3 years ago

3 0

Answer:

Explanation:

to better themselves and to be good educated people

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A person of mass 80 kg stands at the center of a rotating merry-go-round platform of radius 3.5 m and moment of inertia 950 kg*m

Leya [2.2K]

Answer with Explanation:

We are given that

Mass of person,M=80 kg

Radius,r=3.5 m

Moment of inertia of merry,I= $950 kgm^2$

Angular velocity of platform= $\omega=0.85rad/s$

1.Law of conservation of angular momentum

$I\omega=I'\omega'$

Where $I'=950+80(3.5)^2$

Substitute the values

$950\times 0.85=(950+80(3.5)^2)\omega'$

$\omega'=\frac{950\times 0.85}{950+80(3.5)^2}=0.418rad/s$

Angular velocity when the person reaches the edge =0.418 rad/s

2.Rotational kinetic energy of the system before the person's walk

$K_i=\frac{1}{2}I\omega^2=\frac{1}{2}(950)(0.85)^2=343.2 J$

3.Rotational kinetic energy of the system after the person's walk

$K_f=\frac{1}{2}(950+80(3.5)^2)\times (0.418)^2$

$K_f=168.6 J$

3 0

3 years ago

Blake is setting up his tent at a renaissance fair. If the tent is 8 feet tall and the tether can be staked no more than 2 feet

Mariana [72]

The stake, height and tether length of the tent form a right angle triangle where the tether length is the hypotenuse.
Applying Pythagoras theorem:
length² = height² + (stake distance)²
length = √(8² + 2²)
length = 8.5 feet

3 0

3 years ago

List two ways in which the biosphere would be impacted if there were no hydrosphere. Use complete sentences.

Kazeer [188]

Explanation:

The biosphere is the portion of the earth where all living organisms can be found.

The hydrosphere refers to the water on the earth crust.

If there were no hydrosphere, life would not have evolved. Liquid water is a major component of all life. It is essential for metabolic processes in both plant and animals and a host of other activities.
The hydrosphere provides water that is a major component of the soil. Plants grow on the soil. Soil water is one of the most important component of the soil.
The hydrosphere made the earth a unique planet where life can be domiciled.

Learn more:

Biodiversity brainly.com/question/10723602

#learnwithBrainly

5 0

3 years ago

A floating leaf oscillates up and down two complete cycles in one second as a water wave passes by. The wave's wavelength is 10

postnew [5]

Answer:

C) 20 m/s

Explanation:

Wave: A wave is a disturbance that travels through a medium and transfers energy from one point to another, without causing any permanent displacement of the medium itself. Examples of wave are, water wave, sound wave, light rays, radio waves. etc.

The velocity of a moving wave is

v = λf ............................ Equation 1

Where v = speed of the wave, λ = wave length, f = frequency of the wave.

Given: f = 2 Hz (two complete cycles in one seconds), λ = 10 meters

Substituting these values into equation 1

v = 2×10

v = 20 m/s.

Thus the speed of the wave = 20 m/s

The right option is C) 20 m/s

7 0

4 years ago

The captain told the passengers that the plane is flying at 450 miles per hour this information describes the plane

xz_007 [3.2K]

Speed, why velocity has direction acceleration Is a change in speed and it doesn't give a direction so it's speed

8 0

4 years ago

Read 2 more answers

People began to study classical thought wing the Renaissance to​

People began to study classical thought wing the Renaissance to