A dog is chasing a 20 kg cat at 5m/s^2 how much kinetic energy is the cat producing right now

Anne applies a force on a toy car and makes it move forward. what can be said about the forces acting on the toy car at the moment anne applies the force?

What are the similarities & differences between a thermistor and a light dependent resistor in physics?

Astep up transformer has 250 turns on its primary and 500 turns on it secondary. when the primary is connected to a 200 v and the secondary is connected to a floodlight that draws 5a, what is the power output? show all of your work.