Speed decreases as time decreases for the same distance

Aperson walking 1 mile everyday for exercise, leaving her front porch at 9: 00 am and returning to her front porch at 9: 25 am. what is the total displacement of her daily walk? a) 1 mileb) 0c) 25 minutes d) none of the above

Energy flows from the producer level to the level. is called

Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?