On the Moon, the acceleration due to the effect of gravity is only about 1/6 of that on Earth. An astronaut whose weight on Eart
h is 620 N travels to the lunar surface. (a) What is his weight as measured on the Moon(b) What is his mass on the Moon?
2 answers:
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The rest energy of a particle is
where
is the rest mass of the particle and c is the speed of light.
The total energy of a relativistic particle is
where v is the speed of the particle.
We want the total energy of the particle to be twice its rest energy, so that
which means:
From which we find the ratio between the speed of the particle v and the speed of light c:
So, the particle should travel at 0.87c in order to have its total energy equal to twice its rest energy.
where
The total energy of a relativistic particle is
where v is the speed of the particle.
We want the total energy of the particle to be twice its rest energy, so that
which means:
From which we find the ratio between the speed of the particle v and the speed of light c:
So, the particle should travel at 0.87c in order to have its total energy equal to twice its rest energy.
The magnitude and direction of the net force is 9 newtons to the right ⇒ answer A
Explanation:
The net force is the vector sum of all the forces that act upon an object
If two forces are horizontal where,
>
- They are in opposite direction
- Net force F =
in the direction of
An object is acted upon by a force of 22 newtons to the right
and a force of 13 newtons to the left
We need to find the magnitude and direction of the net force
→ = 22 newtons to the right
→ = 13 newtons to the left
>
and they are in opposite direction
Substitute these values in the rule of the net force above
→ Net force F = 22 - 13 = 9
→ The direction of the net force is the same direction of the larger
force, the direction of the larger force is to the right
→ Net force is 9 newtons to the right
The magnitude and direction of the net force is 9 newtons to the right
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You can learn more about the net force in brainly.com/question/4033012
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