Physics · Challenge

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Conserving momentumRunning
Collision track. Approach speed at 5.52 m/s. Incoming momentum 66240 kg·m/s, Coupled momentum 36000 kg·m/s. Currently incoming momentum is over by 30240 kg·m/s.TUNINGINCOMING MOMENTUMCOUPLED MOMENTUM5.52 M/S
t = 0.0s

Incoming momentum

66240kg·m/s

Coupled momentum

36000kg·m/s

5.52 m/s

Collision track. Approach speed at 5.52 m/s. Incoming momentum 66240 kg·m/s, Coupled momentum 36000 kg·m/s. Currently incoming momentum is over by 30240 kg·m/s.

What has to balancem1u1=(m1+m2)vm_1 u_1 = (m_1 + m_2) v

What is happening

You take control of a shunting yard coupling a moving wagon to a stationary one.

The coupling breaks at anything over 1.8 m/s. A 12 000 kg wagon is rolling in towards a stationary 8 000 kg wagon, and the approach speed is set wrong.