Which nucleor reaction is used to generate electric energy in power plants

What do you think car designers do if the damage caused by a crash test is too severe?

Avery long solenoid of inner radius 2.75 cm creates an oscillating magnetic field of the form = for this solenoid, =0.00425 t and =319 rad/s. (a)what is the maximum value of the induced electric field at a perpendicular distance 1.45 cm from the axis of the solenoid? (b) what is the maximum value of the inducted electric field at a point 5.85 cm perpendicular from the axis of the solenoid?

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration