Explanation:
The forces acting on a massless object (spring, hook, string or wire, if considered massless) will always balance. Balanced forces acting on an object cause it to compress or stretch. The forces acting on a mass will never cancel.
Answer:
<h2>b. Greater for the bug</h2>
Explanation:
The conservation of linear momentum states that the momentum before impact equals the momentum after impact
Also, when two objects collide, the change of momentum of particles m1 and m2 are equal in magnitude and opposite in sign and the total momentum change equals zero. Hence during a collision, Each object experiences the same force for the same amount of time, leading to the same impulse, and subsequently the same momentum change. in general, it is only the acceleration and the velocity components that differ for the two objects during the interaction.
Consequently, The object with the least mass always receives the greatest velocity change and acceleration.
Answer:
option (C)
Explanation:
EMF stand for electro motive force. the emf of a battery is the potential between the two electrodes when it is not use in the circuit.
The terminal potential difference is the potential difference between the electrodes of a cell when it is in use.
EMF is only when the current is very large in the battery.
Answer:
Explanation:
Let´s find the capacitor impedance:
Using the data provided:
Ω
Now let´s find the capacitance:
μF
We can calculate the capacitor impedance for the second case:
Ω
Finally we can calculate the voltage of the second generator:
