Answer:
Explanation:
When he accelerates the heavy object up , the reading increases because an extra downward normal force acts on it, then scale reading returns to the same reading as when standing stationary, and then decreases as although he is lifting the heavy object , the acceleration is decreasing ,so the extra upward normal force acts.
Answer:
Explanation:
As we know that the energy stored in the capacitor is given as
here we know that
also we know that
now we have
now we know the formula of capacitance
Answer:
A
Explanation:
because in the moving object there's a certain energy applied
Electrostatic forces are non-contact forces; they pull or push on objects without touching them
