A rock is attached to the end of a 3.2 m long string and whirled in a circle at 25 m/s. If a force of 37.5 N caused the motion, what is the mass of the rock? *

2.7kg

3.3kg

4.8kg

7.9kg

Aloop of wire is in a magnetic field such that its axis is parallel with the field direction. which of the following would result in an induced emf in the loop? choose all that apply. a loop of wire is in a magnetic field such that its axis is parallel with the field direction. which of the following would result in an induced emf in the loop? choose all that apply. moving the loop outside of the magnetic field region. spin the loop such that its axis does not consistently line up with the magnetic field direction. change the magnitude of the magnetic field. change the diameter of the loop