Homework Statement
The speed of a train increases at a constant rate α from zero to v, and remains constant for an interval, and finally decreases to zero at a constant rate β. If L be the total distance traveled, then the total time taken is-
(a) (L/v) + (v/2) [(1/α) + (1/β)
(b) (L/v) +...
Homework Statement
If the engine of a car provides an acceleration of 2ms-2 to start it from rest, assuming the mass to be roughly 1000kg, calculate the time after which the car comes to rest if the engine is turned off after 15 seconds and the frictional force is 15N)
Homework Equations
v=u +...