Acurrent in a wire increases from 2 a to 6 a. how will the magnetic field 0.01 m from the wire change?

it increases to four times its original value.

it increases to three times its original value.

it decreases to one-fourth its original value.

it decreases to one-third its original value.

The velocity of car is 80.0 miles per hour. what is the velocity of car in meters per second? (1 km -0.621 miles) m/s

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.