7. Acceleration Equation Ø An Aston Martin that has a mass of 1100 kg rolls down

Question

7. Acceleration Equation

Ø An Aston Martin that has a mass of 1100 kg rolls down a hill that has an angle of 30 degrees. Calculate the acceleration.

8. Velocity, Acceleration and Position Graphs

Ø If Acceleration is at a constant positive position what does that say about the position and velocity graphs?

9. Velocity, Acceleration and Position Graphs

Ø When velocity is considered negative on a velocity verse time graph?

10. Conservation of Energy

Ø Explain the difference be elastic and in elastic collisions. When is momentum conserved? When is kinetic energy conserved?

11. Conservation of Energy

Ø What is total energy?

Explanation / Answer

7.

ma sin theta = mg

a = g/sin theta = 9.8/sin30 = 19.6 m/s2

8)

Velocity = Linear variant of time

9)

Object moving in negative direction

10)

In Both collisionsMomentum is Conserved

In Only Elastic Collisions, Kinetic Energy is Conserved

11)

Total Energy is Kinetic Energy+ Potential energy

(Sum of all possible energies)

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