An object is moving with constant velocity. which of the following statements is true?

a) the net force on the object is zero.
b) a constant force is being applied in the direction of motion.
c) there are no forces acting on the object.
d) there is no frictional force acting on the object.

Two trains leave a station at the same time, train a travels at a constant speed of 16 m/s. train b starts at 8.0 m/s but accelerates constantly at 1.0 m/s squared. after 10.0 seconds, which train has the greater speed?

The flow of electrons from one atom to another is called

Auniform brick of length 25 m is placed overthe edge of a horizontal surface with a maximum overhang of 12.5 m attained withouttipping. now two identical uniform bricks of length25 m are stacked over the edge of a horizontalsurface. what maximum overhang is possible forthe two bricks (without tipping)? answer in units of m.