Podcast
Questions and Answers
What is the acceleration of the ball while in contact with the striker's foot?
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?
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?
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?
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?
For a system where only conservative forces are acting, what can be said about the total mechanical energy of the system?
For a system where only conservative forces are acting, what can be said about the total mechanical energy of the system?
What effect does neglecting friction have on the calculation of projectile motion?
What effect does neglecting friction have on the calculation of projectile motion?
How does increasing the mass of an object affect its momentum, assuming all other factors remain constant?
How does increasing the mass of an object affect its momentum, assuming all other factors remain constant?
When a model rocket experiences a constant net force over time, what happens to its speed?
When a model rocket experiences a constant net force over time, what happens to its speed?
How does air resistance affect projectile motion?
How does air resistance affect projectile motion?
In a collision between two objects of unequal mass where momentum is conserved, what can be said about their final velocities?
In a collision between two objects of unequal mass where momentum is conserved, what can be said about their final velocities?
