Calculate acceleration if net force acting on an object is 140N and mass
is 15 kg

An object thrown vertically upward from the surface of a celestial body at a velocity of 36 m/s reaches a height of sequalsminus0.9tsquaredplus36t meters in t seconds. a. determine the velocity v of the object after t seconds. b. when does the object reach its highest point? c. what is the height of the object at the highest point? d. when does the object strike the ground? e. with what velocity does the object strike the ground? f. on what intervals is the speed increasing?

=force × distance a. work b. velocity c. pressure d. momentum

Who was the first scientist to measure speed as distance over time?