What is their speed just after he grabs her?

NetherCraft 0

Erica (37kg ) and Danny (49kg ) are bouncing on a trampoline. Just as Erica reaches the high point of her bounce, Danny is moving upward past her at 4.9m/s . At that instant he grabs hold of her.

2 Answers

  • Momentum before = momentum after

    Erica’s momentum = 0

    Danny momentum = 49 kg * 4.9 m/s = 240.1 kg-m/s

    240.1 + 0 = (37 + 49) kg * V

    86 V = 240.1

    V = 2.79 m/s

  • Kg Bounce

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