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Head-on Collision Physics Problem

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Questions and Answers

What is the acceleration of the ball while in contact with the striker's foot?

3 m/s^2

15 m/s^2

300 m/s^2

60 m/s^2 (correct)

What is the impulse provided to the ball by the striker's foot?

3 Ns

15 Ns

12 Ns (correct)

300 Ns

What is the kinetic energy of the ball after being kicked?

6 J

720 J

120 J

360 J (correct)

In a ballistic pendulum experiment, if the bullet lodges into the pendulum after impact, what can be said about the initial kinetic energy of the bullet?

It decreases Signup and view all the answers

For a system where only conservative forces are acting, what can be said about the total mechanical energy of the system?

Remains constant Signup and view all the answers

What effect does neglecting friction have on the calculation of projectile motion?

Overestimates time of flight Signup and view all the answers

How does increasing the mass of an object affect its momentum, assuming all other factors remain constant?

Increases momentum Signup and view all the answers

When a model rocket experiences a constant net force over time, what happens to its speed?

Speed increases linearly Signup and view all the answers

How does air resistance affect projectile motion?

Decreases horizontal range Signup and view all the answers

In a collision between two objects of unequal mass where momentum is conserved, what can be said about their final velocities?

Equal in magnitude but opposite in direction Signup and view all the answers