After 4 seconds, the car in problem # 2 applies the brakes and comes to a full stop after 2 seconds. what is the acceleration of the car and what is the braking distance? #2 a car accelerates from rest at 4 m/s^2. what is the velocity of the car after 4 second?

Currents in dc transmission lines can be 100 a or higher. some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. for a line that has current 150 a and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? express your answer in teslas and as a percentage of the earth’s magnetic field, which is 0.50 g. is this value cause for worry?