5. A 10 kg block of wood is being pushed to the east by a force of 20 N. The acceleration of the block is 0.8 m/s/s. What is the force of friction and what is the direction?
a = fm

What should the power status of a circuit be when measuring resistance with an ohmmeter?

Which of the following is another term for a planned economy

Acircular ring of charge with radius b has total charge q uniformly distributed around it. what is the magnitude of the electric field at the center of the ring? 0 keq/b2 keq2/b2 keq2/b none of these answers