PLEASE HELP 4. A bullet of mass 30 g is fired from a rifle of mass 5kg at a speed of 259m/s.  a) What is the momentum of the rifle just after the bullet is fired? 

b) What is the recoil velocity of the rifle?​

speed

ratio of distance traveled to time interval

net force

vector sum of forces on object

object

source of diverging light rays either luminous or illuminated

don't remove my answer im trying my best to answer them

explanation:

a straight line sloped

we need to know the time interval during which the force acts. impulse of force = momentum change

the tires are rotating at 0.434 rpmlinear speed=45 m/sdiameter=0.550 mradius=0.275 mnow v= rωω= v/rω=45/0.275ω=163.6 rad/sω=163.6 rad/s (1rev/2π rad) (60s/1m)ω=1563 rpm