A building under construction requires building materials to be raised to theupper floors by cranes or elevators. An amount of c
1 answer:
You might be interested in
Answer:
t = 6.17 s
Explanation:
For a 1 revolution movement,
Torque,
Moment of Inertia,
If the wheel starts from rest,
The angular displacement of the wheel can be given by the formula:
................(1)
Where is the angular acceleration
To get t, put all necessary parameters into equation (1)
Answer:
55407
Explanation:
we have given that magnetic field B=3.5 T
current through the coil=90 A
Length of solenoid =0.72 m
we know the formula of magnetic field
so
so the number of turn in solenoid will be 55407