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.
In essence, a contractâs outline is more formal and more rigidly presented than the terms outlined in an agreement. A contract is a legally binding agreement reached between two parties, the terms of which the courts have the authority and obligation to enforce. An agreement is a less formal creation of an obligation between the two parties. An agreement usually lacks one or more of the essential elements that are required to be present in order to form a valid contract that will be considered legally enforceable by a court of law.