Name the scientist that showed copernicus's theory of a moving earth reasonable?

Answers

Answer 1

Answer: The name of the Scientist that showed Copernicus theory of a moving earth reasonable was Galileo. Hope this helps you.

Answer 2

Answer: The scientist was Galileo Galelei

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At what speed must a 950-kg subcompact car be moving to have the same kinetic energy as a 3.2×104−kg truck going 20 km/h?
Imagine that a car is traveling from your left to your right at a constant velocity. Which two actions could the driver take that may be represented as (a) a velocity vector and an acceleration vector both pointing to the right and then (b) changing so the velocity vector points to the right and the acceleration vector points to the left?

5. An ion consist of 12 electrons and 11 proton. What is the charge
on the ion?

Answers

Answer:

-1

Explanation:

Electrons have a negative charge and protons have a positive charge. (+11) + (-12) = -1

Janice is unsure about her future career path. She has grown up on her family farm, but she is also interested in medicine. Janice becomes a member of the FFA and SkillsUSA to try to learn more about the fields and decide between them. What would be more helpful to Janice? * not joining SkillsUSA and joining HOSA instead
* not joining SkillsUSA and joining BPA instead
* not joining FFA and joining BPA instead
* not joining FFA and joining HOSA instead

Answers

Answer:

d not joining FRA and joining HOSA INSTEAD

What does the kinetic theory explain?Heat is due to temperature.

Heat is due to potential energy.

Heat is due to the motion of molecules.

Heat is due to Pascal´s principle.

Answers

Heat is due to the motion of molecules

Your answer would be option 3/C

Heat is due to the motion of molecules.

IWhat is your mass in kilograms of you weigh 120 pounds?

Answers

One pound is (around, actually it's a little more, but you have to round it down to make the number practically usable) 0.45 kilograms, so 120 pounts is 120* 0.45, which is around 54kg.

Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. What is the BEST explanation of the relationship between wavelength and wave energy?

Answers

Answer : There exist an inverse relationship between the wavelength and the energy of the wave.

Explanation :

Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells.

The energy of a wave is given by the following relation :

$E=(hc)/(\lambda)$

So, it is clear that relation between the wavelength and the energy of the wave is inverse.

Higher the wavelength, least will be the energy of the wave.

The shorter the wavelength, the higher the frequency and the higher the energy.

What is the electric field experienced by a charged balloon if the charge on the balloon is 9.4 × 10-10 coulombs and the force it experiences is 8.2 × 10-2 newtons?

Answers

Answer:

Electric field, $E=8.72* 10^7\ N/C$

Explanation:

It is given that,

Charge on the balloon, $q=9.4* 10^(-10)\ C$

Force experienced by the balloon, $F=8.2* 10^(-2)\ N$

The relation between electric force and electric field is given by :

$E=(F)/(q)$

$E=(8.2* 10^(-2))/(9.4* 10^(-10))$

$E=8.72* 10^7\ N/C$

Hence, the electric field experienced by a charged balloon is $8.72* 10^7\ N/C$

We know, F = q.E
E = F/q
Here, F = 8.2 * 10⁻²
q = 9.4 * 10⁻¹⁰

Substitute values into the expression:
E = 8.2 * 10⁻² / 9.4 * 10⁻¹⁰
E = 8.72 * 10⁷ N/C

Hope this helps!

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A 1000 watt microwave oven takes 90 seconds to heat a bowl of soup. How many joules of energy does it use?

A pendulum has 576 J of potential energy at the highest point of its swing. How much kinetic energy will it have at the bottom of its swing?