Answer: Electron Cloud Model
Explanation:
The electron cloud model says that we cannot know exactly where an electron is at any given time, but the electrons are more likely to be in specific areas. These areas are specified by orbitals. The orbitals are specified by shells and sub-orbitals. In the Bohr model, electrons are assigned to different shells.
Answer:
V2 = -25.93 m/s
Explanation:
First of all, we know that;
Momentum = mass x change in velocity
Thus;
Momentum = m(v2 - v1)
Also, we know that;
Impulse = force x time
And also that;
Momentum = Impulse
From the question, m = 0.145kg and V1 = 32m/s while impulse = -8.4 N.s
Thus;
0.145(v2 - 32) = -8.4
Now,
0.145v2 - 4.64 = -8.4
0.145v2 = -8.4 + 4.64
0.145v2 = -3.76
v2 = -3.76/0.145
= -25.931 m/s and to two significant figures gives -25.93 m/s
Based on the voltage of the batteries and the internal resistance, the bulb's resistance is 4.595 Ω
<h3>What is the resistance?</h3>
First, find the total emf of the circuit:
= 2 x 1.5V
= 3.0V
The internal resistance is:
= 0.255 + 0.15
= 0.405 Ω
The resistance in the bulb is:
= 3.0 / 0.600 - 0.405
= 4.595 Ω
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Answer:
Explanation:
Potential difference between two points in constant electric field is given by the formula
here we know that
also we know that
now we have
now change in potential energy is given as
