Alittle boy pushes a wagon with his dog in it. the mass of the dog and wagon together is 45kg. the wagon accelerates at 0.85 m/s^2. what force is the boy pulling with?

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?

Debris produced by mining is called

Properties seen when one one substance changes to another are known as properties