Respuesta :
Answer:
v2 = 2.36 m/s
Explanation:
Momentum is simply the the product of mass of an object and it velocity. Generally, when object moves they have momentum . The unit for momentum is kgm/s.
During collision momentum is conserved . This means that
initial momentum = final momentum
If their is an equal and opposite reaction your momentum should be equal to your BFF.
m1 v1 = m2 v2
m1 = 65 kg
v1 = 2.0 m/s
m2 = 55 kg
v2 = ?
m1 v1 = m2 v2
65 Ă— 2 = 55v2
130 Â = 55 v2
divide both sides by 55
v2 = 130/55
v2 = 2.36363636364
v2 = 2.36 m/s
Answer:
v2 = 2.36m/s
Explanation:
This problem involves the concept of conservation of momentum. The principle states that total momentum before must equal the total momentum after.
Initially total momentu was zero because both were at rest.
Let m1 and m2 represent the masses 65kg and 55kg and let v1 = -2.0m/s and let v1 = velocity of bff
0 = m1v1 + m2v2
0 = 65Ă—(-2.0) + 55v2
55v2 = 65Ă—2
v2 = 65Ă—2/55 = 130/55 = 2.36m/s
v2 = 2.36m/s