ancillae. 1  nominative plural of. 2  genitive singular of. 3  dative singular of.  vocative plural of.
Acceleration is the time rate of change of velocity. If velocity is constant, then. acceleration is zero. Note: 100 km per h for 10 seconds is a constant speed, but not necessarily a constant. velocity, since we're told nothing about the direction.
A car starts from rest and goes down a slope with a constant acceleration of 5 m/s/s. After 5 seconds the car reaches the bottom of the hill. Its speed at the bottom of the hill, in m/s, is: An object with an initial velocity of 12 m/s west experiences a constant acceleration of 4 m/s/s west for 3 seconds.