Answer:
B
Explanation:
Nuclear fission is the process of splitting apart nuclei. When nuclei fission energy is released. So much energy is released that there is a measurable decrease in mass, from the mass-energy equivalence. This means that some of the mass is converted to energy.
I ain’t never seen two pretty best friends
Explanation:
a triple beam balance can measure the mass of one slice of bread
Answer : The height is 188 meters
Explanation : When the cart reached at the end from top of hill then the cart have potential energy .
Given that,
Potential energy = 88435 J
Mass of cart = 48 kg
We know that,
The potential energy is
So, the height of the top is 188 meters.
Ans: The electron is moving at
0.732% relative to speed of light.
Explanation:According to the <span>de Broglie relationship:
</span>
<span>
So,
</span>
<span>h = Planck's constant = 6.626 * 10^-34 Js
</span><span>m = mass of electron = 9.11 * 10^-31 kg
</span>λ = wavelength = 3.31 * 10^-10 m
<span>
</span>
m/s
<span>
Since the electron is moving relative to the speed of light, therefore the ratio is(in %):
</span>
% =
% =
0.732%<span>
</span>