TIME REMAINING 43:06
ce cars
Which statement best describes Rosa's error?
O Both trucks change direction after they start
moving.
O Truck X had a head start, not truck Y.
Truck Y has a greater velocity than truck X
The trucks are not traveling at constant velocities.

adding a(n) to an electric circuit would increase the magnetic field around a wire;

b. solenoid

a solenoid is a type of electromagnet whose purpose is to generate a controlled magnetic field.

if the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.

the moving of the box is a result of centripetal force. think of that  as a car or a truck in this case creates a turn, the force of friction performing upon the turned wheels of the car runs centripetal force obligatory for circular motion for the things inside it.