Kimberly, alex, and fernando built small sailboats in science class. their boats have the following weights: kimberly: 150 grams alex: 175 grams fernando: 200 grams think about how much force is needed to move each boat. which correctly lists the boats in order from the most to least amount of force needed to move them? a) fernando, alex, kimberly b) alex, kimberly, fernando c) kimberly, alex, fernando d) kimberly, fernando, alex

The magnitude of the magnetic field at a certain distance from a long, straight conductor is represented by b. what is the magnitude of the magnetic field at twice the distance from the conductor? a. at twice the distance, the magnitude of the field is 4b.b. at twice the distance, the magnitude of the field is 2b.c. at twice the distance, the magnitude of the field is b/2.d. at twice the distance, the magnitude of the field is b/4.e. at twice the distance, the magnitude of the field remains equal to b.