Physics equations/08-Linear Momentum and Collisions/Q:oneDcollision


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These need to be checked, especially after version A.

Solutions to many wikiquiz questions (pdf)

Practice quiz
{On object of mass 2.8 kg that is moving at a velocity of 23m/s collides with a stationary object of mass 20.47 kg. What is the final velocity if they stick? (Assume no external friction.) -a) 2.31m/s. +b) 2.77m/s. -c) 3.32m/s. -d) 3.99m/s. -e) 4.78m/s.
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{A car of mass 637 kg is driving on an icy road at a speed of 22 m/s, when it collides with a stationary truck. After the collision they stick and move at a speed of 7.7 m/s. What was the mass of the truck? -a) 822 -b) 986 +c) 1183 -d) 1420 -e) 1704
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{A 167 gm bullet strikes a ballistic pendulum of mass 2.1 kg (before the bullet struck). After impact, the pendulum rises by 65 cm. What was the speed of the bullet? -a) 37 m/s. -b) 40 m/s. -c) 42 m/s. -d) 45 m/s. +e) 48 m/s.
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/More practice/