Какова масса медной проволоки длиной 2 км и сопротивлением 8,5 Ом

1. I was made waiting  for hours at the hospital.

2. Rene was helped to finish the report by his colleague.

3. I am never let leaving work early by my boss.

4. The police should have been called when the accident happened.

5. He lied about the scandal and it was believed by many people.