Apples or Figs?
For every action there is an equal and opposite reaction.
What is Newton's 3rd Law- Conservation of Momentum
P=mv
What is the momentum equation
P is Momentum
M is Mass
V is Velocity
Steps to solve Inelastic collisions
1. Set up variables
2. Write the correct equation
3. ___________________
4.solve for the unknown
What is plug in values?
A 3 kg cart moving at 2 m/s collides with a stationary 2 kg cart. After the collision, the 3 kg cart moves at 1 m/s, and the 2 kg cart moves at 1.5 m/s in the same direction. Is momentum conserved?
What is conserved momentum?
An object will accelerate in the direction of the net force
What is Newton's 2nd Law
m1v1 + m2v2 = (m1 +m2) v3
What is an Inelastic equation
F= ___a
What is the m for mass
A 4kg cart moves to the right with a velocity of 3 m/s and collides with a 10kg cart, initially at rest. The two carts stick together after the collision. What is the new speed of the two carts?
What is 0.86 m/s to the right
An object in motion stays in motion. An object at rest, stays at rest unless acted upon by a force.
What is Newton's 1st law
m1iv1i+m2iv2i=m1fv1f+m2fv2f
What is an Elastic equation
Steps to solve Elastic collisions
1. ___________________
2. Write the correct equation
3. Plug in values
4. Solve for the unknown
What is set up variables
A basketball with a mass of 560 kg is thrown at 30 m/s. Calculate the momentum of the basketball.
What is 16,800kg
F=MA
What is Newton's 2nd Law
F=force
m=mass
a=acceleration
P1(initial)+P2(initial) = P1(final)+P2(final)
What is Newton's 3rd Law- Conservation of Momentum
Fnet = Fup + Fdown + Fleft + Fright
What is the net force on an object?
A 3 kg cart moving right at 4 m/s collides with a stationary 2 kg cart. Afterward, the 3 kg cart moves right at 1 m/s, and the 2 kg cart moves right at 3 m/s. Is momentum conserved?
What is momentum is not conserved