1.Abby, who has a mass of 55 kg, ran from the zombies to hide in the closet. What is the force require to accelerate her at 5 m/s 2 ? 2. Zach runs faster than Abby. If his mass is 62 kg and he uses 372 N of force, how does he accelerate?
3. The principal begins nailing wood over his office door. The hammer has a mass of 1.5 kg and is swung at 50 m/s 2 . With what force was the hammer swung?

dopamine..

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0.863333

86%

hope this

the answer is the first electromagnet (a). this is because it has more coils around the ferromagnetic material. increasing the number of coils increases the surface area in which the metal interacts with the current in the coil. this enables more atoms in the metal to become aligned hence becoming more magnetized.