Question

A 136 kg defensive lineman is about to tackle a 100 kg quarterback. Right before

impact, the lineman is moving north at 6.0 m/s and the quarterback is moving
north at 1.0 m/s. Determine the speed and direction of the two players
immediately after the tackle.

Answer 1

3.88 m/s North

Step-by-step explanation:

We are given that

`m_1=136kg`

`m_2=100 kg`

`v_1=6 m/s`

`v_2=1m/s`

We have to find the speed and direction of the two players

immediately after the tackle.

Using linear conservation of momentum

`m_1v_1+m_2v_2=(m_1+m_2)v`

Substitute the values

`136* 6+100* 1=(136+100)v`

`916=236v`

`v=(916)/(236)`

`v=3.88m/s`

Direction of the two players immediately after the tackle is North.