Question 7 new position?\

(1)/(2)kx_(0)^(2)=(1)/(2)mv_(f)^(2)

. Solve for

v_(f)

.\

(1)/(2)kx_(0)^(2)=(1)/(2)kx_(f)^(2)+(1)/(2)mv_(f)^(2)

. Solve for

v_(f)

.\ (C)

,F_(||)d=(1)/(2)m\\\\Delta v^(2)

and

F_(||)=kx_(0)

. Solve for

\\\\Delta v

.\ (D)

Fdcos\\\\theta =(1)/(2)m\\\\Delta v^(2)

and

F=kx_(0)

. Solve for

\\\\Delta v

.