HelppSuppose the expected value for a mass is exactly one kilogram. A lab group checked the mass and made the following measurements:

2.01 kg, 2.02 kg, 1.99 kg, 1.97 kg

Which answer choice BEST describes these measurements?

A. accurate and precise

B. inaccurate and precise

C. accurate and imprecise

D. inaccurate and imprecise

Answers

Answer 1

Answer:

Answer:

inaccurate and precise

Explanation:

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Does a brick have thermal energy? Also does paper haven't thermal energy?

Answers

Anything that's not at absolute zero temperature has thermal energy, and can warm something that's colder.

How many times louder is a 70 dB sound than a 60 dB sound

Answers

Answer:

Half as loud as the seventy

Answer:

70 dB is twice as loud as 60 dB.

Explanation:

Most people perceive an increase of 10 dB as a doubling in volume of a sound.

Which two particles in an atom are equal in number

Answers

If you mean in mass, then the mass of one proton is approximately equal to the mass on one neutron. If you mean how many of each, then the number of protons is equal to the number of electrons. If the number of electrons was different from the number of protons, then you'd have an ion. An ion with a positive charge is a cation, and an ion with a negative charge is an anion.

Protons and electrons are the two equally abundant particles in an atom.

The atom's nucleus contains protons, which are subatomic particles with a positive charge. A +1 positive electric charge permeates each proton.

An atom's nucleus is surrounded by electrons, which are subatomic particles with a negative charge. An electric charge of -1 is carried by each electron.

The number of protons in the nucleus of a neutral atom is equal to the number of electrons encircling the nucleus. The atom becomes electrically neutral when the balance of positive and negative charges results in a net electric charge of zero.

An atom with the atomic number 6 for carbon, for instance, contains six protons and six electrons. Similar to this, an atom of sodium, which has an atomic number of 11, contains 11 protons and 11 electrons.

An atom is stable and maintains its distinctive chemical properties because it has an equal number of protons and electrons.

To know more about protons:

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Is sand made of cells

Answers

no because it is not a living thing

No because it isn't a living creature like humans and plants hope that helped

If the mass of an object is 100kg and the acceleration due to gravity is 9.8m/s^2 what is the weight of the object

Answers

Answer:

981 N

Explanation:

recall that weight = mass x acceleration due to gravity = mg

given that m = 100 kg and g = 9.81 m/s²

weight = mg = 100 x 9.18 = 981 N

A spy satellite is orbiting earth and experiences a gravitation Force F if a similar satellite with one half the mass is placed in an orbit that is twice as far from the earths center the gravitational force between the earth and the second satellite will be what multiple of F?