Suppose you went bowling without a bowling ball and had only a softball and a large plastic ball to hit the pins. How would the speed and motion of these objects be different from when you use a heavy bowling ball? (Make sure you give an answer in complete sentence(s) and use your science vocabulary.)
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Ответ:
6.21 m/s opposite to Janet
Explanation:
Given
mass of Janet![m_j=59\ kg](/tpl/images/1195/4846/44647.png)
mass of Sarah![m_s=32\ kg](/tpl/images/1195/4846/89dda.png)
The initial velocity of Janet![u_1=7\ m/s](/tpl/images/1195/4846/749a3.png)
The final velocity of Janet after the collision is![v_1=2\ m/s](/tpl/images/1195/4846/92f5f.png)
the final velocity of Sarah after the collision is![v_2=3\ m/s](/tpl/images/1195/4846/3f899.png)
Conserving linear momentum
Negative indicates the direction of velocity is opposite than of Janet