An automobile of mass 1500 kg has an initial velocity of 7.20 m/s toward the north and a final velocity of 6.50 m/s toward the west. The magnitude and direction of the change in momentum of the car are

Explanation:

Momentum is the product of mass and velocity.

Momentum = mass * velocity

Given

Mass = 1500kg

resultant velocity

v² = 6.5²+7.20²

v² = 42.25+51.84

v² = 94.09

v = √94.09

v= 9.7m/s

Momentum = 1500*9.7

Momentum = 14550kgm/s

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