本题目来源于试卷: Physics Unit7: Linear Momentum，类别为 通用国际物理
[问答题]
A ball of mass 400 g moving toward thjd6f pom)q 0x,e east with a speed of 3.70 m/s collides qib ew*mm;j ytcu)n2mu8h2 ,(+jdi t9 head-on with a 2009qut; e n+2u*btyd,)jii( 8 jmw mmhc2 g ball sitting at rest. The collision is perfectly elastic.
(a) Determine the velocity of the first ball after the collision.
(b) Determine the velocity of the second ball after the collision.
(c) Is kinetic energy conserved in this collision?
参考答案:
(a) 1.2 m/s toward the east
(b) 4.9 m/s toward the east
(c) Yes, it is an elastic collision.
本题详细解析:
暂无
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