Answer:
Magnetic field, B = 0.23 T
Explanation:
Given that,
Length of the copper rod, L = 0.49 m
Mass of the copper rod, m = 0.15 kg
Current in rod, I = 13 A (in +ve y direction)
When the rod is placed in magnetic field, the magnetic force is balanced by its weight such that :

So, the magnitude of the minimum magnetic field needed to levitate the rod is 0.23 T.
240 meters
Explanation: 16 x 15 because it’s 16 meters every second
Force of gravity =mass*graviational acceleration
gravitational acceleration=g=9.81
mass=Density*Volume=.08*7840
force of gravity= .08*7840*9.81
gg
Answer:
16
Explanation:
6+10=16
the box will go forward but it will be a little harder.
Answer:
The word hot dog means the sausage that you buy squeezed in a plastic package the same sausage heated and served in a long split roll. When it's served in the roll, it's also a sandwich. ... Hence, a hot dog is a sandwich when served i roll.