Question

define momentum. Write formula​

Answer 1

Answer:

Explanation:

Momentum is a quantity with a value and a direction. It is the product of the mass of an object and its velocity. Momentum is conserved in elastic collisions. The unit of momentum is a kg·m/s, which is also equivalent to a J·s (a Joule·second).

Formula

momentum = (mass)(velocity)

p = mv

p = momentum (kg·m/s)

m = mass (kg)

v = velocity (m/s)

Answer 2

$\large{\underline{\underline{\red{\bf{\dag Momentum\dag}}}}}$

• The product of mass and velocity is called momentum.
• The amount of motion contained in a body is called momentum.
• It is denoted by p.
• Mathematically p = mass × velocity.
• According to law of conservation of momentum the total momentum of a system remains conserved.
• Kinetic energy and momentum are related as KE = p²/2 × mass.