Answer:
Speed of the alpha particle is
Explanation:
We have given charge on alpha particle
Mass of the alpha particle
Potential difference
We have to find the speed of the alpha particle
From energy conservation we know that
Answer:
A bicycle.
Explanation:
A compound machine is a machine consisting of multiple simple machines.
A bicycle contains 3 simple machines. A lever, pulley, and wheel-and-axle.
all other choices are simple machines.
Hope this helps!
-MoCKEry
Answer:
So the present mass will be 0.0017002 times of the initial mass of the sample.
Explanation:
Given:
- half life of the given sample,
- We know that solar system came in to existence approximately years ago.
<u>Let the initial quantity on the formation of the solar system be, </u><u />
Then the final quantity at present be:
So the present mass will be 0.0017002 times of the initial mass of the sample.