What conversion takes place in a motor? O A. An electric current into a magnetic field
B. A lower voltage into a higher voltage
O C. Mechanical energy into electric energy
O D. Electric energy into mechanical energy

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

Idon’t quite understand this problem

If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant