1.Two bodies are initially at rest. They start moving towards each other due to mutual attraction. Which of the following is/are correct?Note: More than one option may be correct.a.a⃗cm=0\vec{a}_{cm} = 0acm=0b.∑Δp⃗=0\sum \Delta \vec{p} = 0∑Δp=0c.v⃗cm=0\vec{v}_{cm} = 0vcm=0d.They will collide at their centre of massLogin to continueOnly logged in users canattempt or see the solution.