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iVinArrow [24]
3 years ago
8

Order the sequence of ideas that led to Marie Curie’s discovery of radioactive elements. Number the events in chronological orde

r starting with the oldest. Rutherford experimented with particles given off by radioactive elements. Dalton developed the theory that all matter is made of atoms. James Chadwick discovered the neutron.
Physics
1 answer:
Marysya12 [62]3 years ago
6 0

Answer:

2 1 3

Explanation:

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What is the dimensional formula of pressure ??​
Igoryamba

Answer:

pressure is equal to the net amount of force acting per unit area. Dimensional Formulae of force is M1L1T-2 and of area is L2. Therefore Pressure's dimension can be obtained by calculating Force by Area. Dimensional formula of pressure difference is M1L-1T-2.

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3 years ago
At its closest point, Mercury is approximately 46 million kilometers from the sun. What is this distance in AU?
alina1380 [7]
1 astronomical unit 1 AU = 1.4960 * 10^11 meters
it is the average distance between earth and sun
mercury to sun distance is = 46,000,000 * 1000 meters
               = 4.6 * 10^9 meters = 4.6 * 10^9 / 1.4960 * 10^11  AU
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5 0
3 years ago
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While traveling home at dusk, a motorcyclist gets on the highway and increases the combined mass (400 kg
alexdok [17]

The acceleration of one of those bugs is equal to 305mi/s.

<h3>Acceleration calculation</h3>

To calculate the insect's acceleration, the action and reaction force of the impact must be considered.

As the insect will hit the helmet, the force it hits is the same force it receives, so we can make the following expression:

                                          m_m \times a_m = m_b \times a_b

                                        550 \times 0.0027 = 5 \times 10^{-3} \times a_b

<em>Speed ​​has been converted to miles per second</em>

                                          a_b = 305 mi/s

So, the acceleration of one of those bugs is equal to 305mi/s.

Learn more about acceleration calculation: brainly.com/question/390784

8 0
2 years ago
What is the name for potential difference that causes current to flow?
Digiron [165]

Answer:

the answer is C i didnt mean to put b lol

Explanation:

3 0
3 years ago
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An object becomes positively charged when it
Montano1993 [528]

Answer:

D

Explanation:

8 0
3 years ago
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