Afootball player kicks a ball with an initial
velocity of 25 meters per second at an angle of
53° above the horizontal. the vertical component
of the initial velocity of the ball is
a.
25 m/s
b,
d.
20. m/s
10. m/s
c.
15 m/s

Bone-strengthening physical activity done increases bone-mineral content and bone density in youth.

Amass attached to a spring is displaced from its equilibrium position by 5cm and released. the system then oscillates in simple harmonic motion with a period of 1s. if that same mass–spring system is displaced from equilibrium by 10cm instead, what will its period be in this case? a mass attached to a spring is displaced from its equilibrium position by and released. the system then oscillates in simple harmonic motion with a period of . if that same mass–spring system is displaced from equilibrium by instead, what will its period be in this case? a) 0.5sb) 2sc) 1sd) 1.4s

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell