Please check the attached picture
Answer: 47.6 m/s
Explanation: Please see attached for the calculation and formula.
Answer:
I = 0.5 A
Explanation:
Given: P=60 Watts, Voltage supply V = 120 Volts (for primary coil)
Solution:
we have P = V I
⇒ I = P /V = 60 Watts / 120 Volts
I = 0.5 A
The answer of a & b are force of cohesion and force of adhesion
Of rest two answers I don't know