A900-kg car traveling east at 15.0 m/s suddenly collides with a 750-kg car traveling north at 20.0 m/s. the cars stick together after the collision. in what direction does the wreckage move just after the collision?

The wreckage moves in the direction 48° N of E just after the collision

Further explanation

Newton's second law of motion states that the resultant force applied to an object is directly proportional to the mass and acceleration of the object.

F = Force ( Newton )

m = Object's Mass ( kg )

a = Acceleration ( m )

Let us now tackle the problem !

Given:

mass of car 1 = m₁ = 900 kg

initial velocity of car 1 = u₁ = 15 i m/s

mass of car 2 = m₂ = 750 kg

initial velocity of car 2 = u₂ = 20 j m/s

Asked:

final velocity = v = ?

Solution:

Firstly , we will use Conservation of Momentum Law as follows:

Next , we could find the direction of this final velocity as follows:

Learn moreImpacts of Gravity : Effect of Earth’s Gravity on Objects : The Acceleration Due To Gravity : Newton's Law of Motion: Example of Newton's Law:

Answer details

Grade: High School

Subject: Physics

Chapter: Dynamics

Keywords: Gravity , Unit , Magnitude , Attraction , Distance , Mass , Newton , Law , Gravitational , Constant

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