A70 kg human sprinter can accelerate from rest to 10 m/s in 3.0 s. during the same time interval, a 30 kg greyhound can go from rest to 20 m/s. what is the average power output of each? average power over a time interval δt is δe/δt.

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?

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.

Is the time in tennessee the same as florida