Homework Statement
running on a circular track w/ radius of .450 km and runs a distance of 2.54 km. what is the angular distance in radians.
Homework Equations
theta = s/r
The Attempt at a Solution
I assume the 2.54 km would be the arc length? so would the answer just be...
Homework Statement
2000 kg car traveling west at 75 km/h and a motorcycle traveling south at 108 km/h weighing 1000kg. assuming the collision is completely inelastic, what is the velocity of the vehicles after the collision.
Homework Equations
I know that the Pi, system = Pf, system...
Homework Statement
mass of a car is 2000 kg that can go from 0-120 km/h in 3.5 seconds. What is the average power?
Homework Equations
I know that the average power is Work/time, or (force * displacement)/time = F*average velocity.
My only question is how to find the force of the car...