Erica (mass? m E ) and Danny ( m D ) are bouncing on a trampoline. Just as Erica

Question

Erica (mass? mE  ) and Danny ( mD ) are bouncing on a trampoline. Just as Erica reaches the high point of her bounce, Danny is moving upward past her at speed vD . At that instant he grabs hold of her.

What is their speed just after he grabs her?

Constants Part A Erica (mass mE ) and Danny (m ) are bouncing on a trampoline. Just as Erica reaches the high point of her bounce, Danny is moving upward past her at speed D . At that instant he grabs hold of her. What is their speed just after he grabs her? Enter your answer as an expression using the variables found in the problem. You may want to review (Page 269) m, u m1 +m2 Submit Previous Answers Request Answer

Explanation / Answer

Using Conservation of momentum

=> mE * 0 + mD * vD = (mE + mD) * v

=> v = mD * vD / (mE + mD)

your answer is right. just show it in the variables given in the questions as i did,

please comment if it still didn't work

please rate thanks.

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