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3241004551 [841]
3 years ago
6

The scientist who suggested that atoms contain a hard core containing most of the mass of an atom was:

Physics
1 answer:
stich3 [128]3 years ago
5 0
The scientist who suggested that atoms contain a hard core containing most of the mass of an atom was Ernest Rutherford.
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Determine the kinetic of 600 kg roller coaster car that is moving with the speed of 35.2 m/s.
antiseptic1488 [7]
The answer is 10,560 Joules or 1.1*10^4


Explanation:

Step 1: Calculate
The equation for Kinetic Energy is

Kinetic energy=.5 times Mass times Velocity²
KE=.5*m*v²

so we plug in our numbers
KE=.5*600*35.2²

This works out to be 10,560 Joules or 1.1*10^4
5 0
3 years ago
A 2.5 kg table can hold kg of weight. what is its structural efficiency?
Lorico [155]
It's (whatever number comes after 'hold') divided by 2.5 .
6 0
3 years ago
Sound waves that enter the ear canal are directed to the ____, causing it to vibrate.
andre [41]

According to the research, the correct option the eardrum. Sound waves that enter the ear canal are directed to the <u>eardrum</u>, causing it to vibrate.

<h3>What is the eardrum?</h3>

It is the membrane found in the middle ear of vertebrate animals, separating this sector from the external auditory canal.

When sound waves enter through the external auditory canal, the eardrum vibrates, transmitting its movement to the middle ear through a series of bones and in this way, the pressure change is transformed into a mechanical movement.

Therefore, we can conclude that according to the research, the correct option is the eardrum. Sound waves that enter the ear canal are directed to the <u>eardrum</u>, causing it to vibrate.

Learn more about the eardrum here: brainly.com/question/12770491

#SPJ1

4 0
2 years ago
What units is the Metric System of Measurement based on?
Alex787 [66]

Answer:

metre for length and the kilogram for Mass

3 0
3 years ago
The movement of material due to diffreneces in density is called
timofeeve [1]
It is called convection.
7 0
4 years ago
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