l a) What is momentum? b) What is \"conservation of momentum? 2. A fullback coll
ID: 1438635 • Letter: L
Question
l a) What is momentum? b) What is "conservation of momentum? 2. A fullback collides midair and head-on with a lighter de- fensive back. If the two players move together following the collision. is it possible that the fullback will be car ried backward? Explain 3 Is it possible for a rocket to function in empty space in a vacuum) where there is nothing to push against except it- self? Explain 3. 4. What is the advantage of a pacced dashboard compared to a rigid dashboard in reducing njuries durin collisions? Explain using momentum and impulse ideas. 5. A2000kaveling at10m s due east collides head on with a 1500kg car traveling at 20m s duewest Thecarsstick togethe afterthe colision a) What is the momentum ofeach carbefore the collision? b) What is the toalmomentum before the collision? c) What is the totalmomentum after the collision? d) What is their velocity immediately after the collision?Explanation / Answer
1.
a)
momentum : it is defined as the product of mass and velocity of an object. it is also known as the quantity of motion in an object . it is represented by symbol P and its unit is kgm/s . this is a vector quantity
P = m V
b)
Conservation of momentum :
according to conservation of momentum in the absence of an external force the Total momentum of system of masses remains same.
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