Asked by moh

A 3.00-kg particle has a velocity of (3.00 - 4.00 ) m/s.

(a) Find its x and y components of momentum.
(b) Find the magnitude and direction of its momentum.
Answered by moh
High-speed stroboscopic photographs show that the head of a golf club of mass 200 g is traveling at 55.0 m/s just before it strikes a 46.0-g golf ball at rest on a tee. After the collision, the club head travels (in the same direction) at 40.0 m/s. Find the speed of the golf ball just after impact.
Answered by bobpursley
I assume you mean the velocity is (3i-4j)

so momentum in the i (x) direction is 9, and in the j(y) direction is -12

Momentum before=momentum after
MV+0=MV' + mv'

so v' (velocity ball)= massclub(55-40)/massball
Answered by Emily
omg i absolutely love you bobpursley! thankss for the help as well. =]
Answered by TUT
A3.00-KG PARTICLE HAS AVELOCITY OF (3,00+4.00)M/S
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