<p><b>Escape velocity :</b></p><p><br></p><p>                                                                                                                        <div>It is the minimum velocity with which a body is must be projected vertically upwards inlrder that it may just escape the gravitational field of earth.</div><div><br></div><div>For example: If we throw a ball into air,  it rises to a certain height and falls back. If we throw it with a greater velocity,  it will never come back.  This greater velocity is escape velocity.</div><div><br></div><div>Formula: Ve = √2GM/R</div><div><br></div><div>Where, M is mass of earth and R is radius of earth.</div><div><br></div><div><img src="&#10;&#10;&#10;&#10;&#10; &#10;&#10; &#10; &#10;&#10; &#10;  &#10;&#10; &#10; &#10;&#10; &#10;&#10;&#10; &#10;&#10; &#10; &#10;&#10; &#10; &#10;&#10; &#10; &#10; &#10;&#10; &#10; https://www.letsdiskuss.com/assets/upl_files/924f230d3c.jpg" style="width: 642.891px; height: 488.597px;" alt="escape-velocity-and-orbital-velocity-letsdiskuss" title="escape-velocity-and-orbital-velocity-letsdiskuss"> </div><div><br></div><div><b>Orbital velocity :</b></div><div><br></div><div> It is the velocity required to put the satellite into its orbit around the earth.</div><div><br></div><div>Formula: Vo= √GM/R+h</div><div><br></div><div>Where,</div><div>R is radius of earth</div><div>M is mass of earth</div><div>Vo is orbital velocity</div><div>h is height of satellite above earth's surface.</div><div>R+h is orbital radius of the satellite.</div></p>

Define escape velocity- orbital velocity What is the value of escape velocity in case of earth?