Tennis Racquet - the main piece of equipment in tennis. It has a long handle and a oval shaped head with a string mesh stretched across it. It is used by the tennis player to hit the ball.
The capital of the United States, Washington, D.C., is a federal district and not part of any state. It is located between Maryland and Virginia on the Potomac and Anacostia Rivers. Maryland and Virginia both ceded land to the federal government to create the District of Columbia.
On the other hand, Washington DC, also referred to as Washington District, is the capital of the US. The Residence Act, signed on the 16th of July in 1790, approved the creation of a district that was to be the capital. It was located along the River Potomac on the East Coast of the country.