Gravitational energy can be negative?
1 answer:
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A proton is initially moving at high speed
so here initially proton is having high speed and high kinetic energy
now this proton comes to rest by external electric field
so the potential energy of proton will increase or we can say that kinetic energy will convert into electrostatic potential energy
so here the proton must have to move at higher potential region
so here correct answer must be
b. Because the proton is a positive charge and it slows down as it travels, it must be moving from a region of lower potential to a region of higher potential.
The acceleration of the bike is
Explanation:
We can solve this problem by using Newton's second law of motion, which states that:
where
F is the net force on an object
m is the mass of the object
a is its acceleration
For the bike in this problem, we have
F = 175 N is the net force
m = 50 kg is the mass
And solving for a, we find the acceleration:
Learn more about Newton's second law and acceleration:
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