A 0.84-m aluminum bar is held with its length parallel to the east-west direction and dropped from a bridge. Just before the bar hits the river below, its speed is 23 m/s, and the emf induced across its length is 6.30 10-4 V. Assume the horizontal component of the earth's magnetic field at the location of the bar points directly north. (a) Determine the magnitude of the horizontal component of the earth's magnetic field. T (b) State whether the east end or the west end of the bar is positive. East end of the bar is positive. West end of the bar is positive.

A 0.84-m aluminum bar is held with its length parallel to the east-west direction and dropped...
A 0.68-m aluminum bar is held with its length parallel to the east-west direction and dropped from a bridge. Just before the bar hits the river below, its speed is 16 m/s, and the emf induced across its length is 5.7 x 10-4 V. Assuming the horizontal component of the Earth's magnetic field at the location of the bar points directly north, (a) determine the magnitude of the horizontal component of the Earth's magnetic field, and (b) state whether the...
A 0.69-m aluminum bar is held with its length parallel to the east-west direction and dropped from a bridge. Just before the bar hits the river below, its speed is 18 m/s, and the emf induced across its length is 6.3 x 10-4 V. Assuming the horizontal component of the Earth's magnetic field at the location of the bar points directly north, (a) determine the magnitude of the horizontal component of the Earth's magnetic field, and (b) state whether the...
A 0.92-m aluminum bar is held with its length parallel to the east-west direction and dropped from a bridge. Just before the bar hits the river below. its speed is 15 m/s, and the emf induced across its length is 5.8 times 10^-4 V. Assuming the horizontal component of the Earth's field at the location of the bar points directly north, determine the magnitude of the horizontal component of the Earth's magnetic field, and state whether the east end or...
A 0.71-m aluminum bar is held with its length parallel to the east-west direction and dropped from a bridge. Just before the bar hits the river below, its speed is 20 m/s, and the emf induced across its length is 6.2 x 10-4 V. Assuming the horizontal component of the Earth's magnetic field at the location of the bar points directly north, (a) determine the magnitude of the horizontal component of the Earth's magnetic field, and (b) state whether the...
A 2.30 m length of wire is held in an east–west direction and moves horizontally to the north with a speed of 14.7m/s. The vertical component of Earth's magnetic field in this region is 40.0 μT directed downward. Calculate the induced emf between the ends of the wire and determine which end is positive. magnitude mV positive end ---Select--- west end both neither east end
A 2.90-m length of wire is held in an east-west direction and moves horizontally to the north with a speed of 0.680 m/s. The Earth's magnetic field in this region is of magnitude 50.0 ut and is directed northward and 53.0° below the horizontal. (a) Calculate the magnitude of the induced emf between the ends of the wire. μν (b) Determine which end is positive. O the east end o the west end O both O neither
point C110 22.P.001. U TO YOUP score A 0.3-m aluminum barshed with its length parallel to the west direction and dropped from a bridge. Just before the bar is the length is 7.20 x 10"W. Assume the horizontal component of the earth's magnetic field at the location of the bar points directly north (a) Determine the magnitude of the horizon component of the match My Notes Ask Your Teacher below speed and h a nd (b) State whether the cast...
A 1.95 m length of wire is held in an cast-west direction and moves horizontally to the north with a speed of 15.1 m/s. The vertical component of Earth's magnetic field in this region is 40.0 T directed downward. Calculate the induced emf between the ends of the wire and determine which end is positive. magnitude positive end Select...
An 0.80-m conducting rod is dropped from rest from a bridge 25.0 m above the surface below. As it falls, it remains parallel to the ground and its length remains along the east-west direction. Just before the rod hits the ground below, the induced emf across its length is 6.5×10-4 V. Assuming the earth’s magnetic field at this location points due north. a) Determine the magnitude of the earth’s magnetic field at this location (just above the ground). b) Which...
A horizontal square loop of I m2area with sides aligned in north-south and east-west directions moves horizontally north at 30 m/s velocity. It encounters a vertical, east-west wall of uniform magnetic field 100 m wide. Magnetic field in the wall is 104 teslas strong and points east and 45° up. Plot EMF induced in the loop
A horizontal square loop of I m2area with sides aligned in north-south and east-west directions moves horizontally north at 30 m/s velocity. It encounters...