Two hockey pucks approach each other as shown in the figure below.Puck 1 has an initial speed of 23 m/s, and puck 2 has an initialspeed of 6 m/s. They collide and stick together.
(a) If the two pucks form a "system," is the momentum of thissystem along x or y conserved?
1 ---Select--- yes no
(b) Find the components along x and y of the initial velocities ofboth particles. v1xi = 2 m/s
v1yi = 3 m/s
v2ix = 4 m/s
v2iy = 5 m/s
(c) Express the conservation of momentum condition for motion alongx and y. (Do this on paper. Your instructor may ask you to turn inthis work.)
(d) Is this collision elastic or inelastic?
6 ---Select--- elastic inelastic
(e) Find the final velocity of the two pucks after the collision.vf = 7 m/s
? = 8° counterclockwise from the +x-axis
(f) What fraction of the initial kinetic energy is lost in thecollision?
9
Two hockey pucks approach each other as shown in the figure below.Puck 1 has an initial speed of 23 m/s, and puck 2 has an initialspeed of 6 m/s. They collide and stick together.
(a) If the two pucks form a "system," is the momentum of thissystem along x or y conserved?
1 ---Select--- yes no
(b) Find the components along x and y of the initial velocities ofboth particles. v1xi = 2 m/s
v1yi = 3 m/s
v2ix = 4 m/s
v2iy = 5 m/s
(c) Express the conservation of momentum condition for motion alongx and y. (Do this on paper. Your instructor may ask you to turn inthis work.)
(d) Is this collision elastic or inelastic?
6 ---Select--- elastic inelastic
(e) Find the final velocity of the two pucks after the collision.vf = 7 m/s
? = 8° counterclockwise from the +x-axis
(f) What fraction of the initial kinetic energy is lost in thecollision?
9
