1 The two objects stick together after the collision and move with a common velocity v f. 2  Assume the motion is along the x-direction. 3  We then have. 4  m 1 v 1 + m 2 v 2 = (m 1 + m 2)v f. 5  m 1 is the mass of the bullet, v 1 its initial velocity, m 2 is the mass of the block, v 2 its initial velocity.
The agreement based on overt grammatical categories as above is formal agreement, in contrast to notional agreement, which is based on meaning. For instance, the phrase The United Nations is treated as singular for purposes of agreement even though it is formally plural.he agreement based on overt grammatical categories as above is formal agreement, in contrast to notional agreement, which is based on meaning. For instance, the phrase The United Nations is treated as singular for purposes of agreement even though it is formally plural.
A contract is an agreement between parties that is legally enforceable. A simple agreement is an arrangement between the parties which may or may not contain the necessary elements to be enforceable before a court of law. In Simple Words: A Contract is enforceable by law while an Agreement is not enforceable by law.