Question

8. DETAILS MY MOT22 A 0.30-kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.20-kg puck that is initially moving along the x-axis with a velocity of 6.0 m/s. After the collision, the 0.20-kg puck has a speed of 3.6 m/s at an angle of $\theta = 53^\circ$ to the positive x-axis. (a) Determine the velocity of the 0.30-kg puck after the collision. magnitude m/s direction $\circ$ from the positive x-axis (b) Find the fraction of kinetic energy lost in the collision. $\frac{\Delta KE}{KE_i} = $ %

          8.
DETAILS
MY MOT22
A 0.30-kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.20-kg puck that is initially moving along the x-axis with a velocity of 6.0 m/s.
After the collision, the 0.20-kg puck has a speed of 3.6 m/s at an angle of $\theta = 53^\circ$ to the positive x-axis.
(a) Determine the velocity of the 0.30-kg puck after the collision.
magnitude
m/s
direction
$\circ$ from the positive x-axis
(b) Find the fraction of kinetic energy lost in the collision.
$\frac{\Delta KE}{KE_i} = $ %

$8. DETAILS MY MOT22 A 0.30-kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.20-kg puck that is initially moving along the x-axis with a velocity of 6.0 m/s. After the collision, the 0.20-kg puck has a speed of 3.6 m/s at an angle of θ = 53^∘ to the positive x-axis. (a) Determine the velocity of the 0.30-kg puck after the collision. magnitude m/s direction ∘ from the positive x-axis (b) Find the fraction of kinetic energy lost in the collision. (Δ KE)/(KEi) = %$

Added by Kristen C.

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