How much time does it take for a cheetah to accelerate at 20 m/s2 from rest to a speed of 40 m/s?

An object is dropped from a tower, 400 ft above the ground. the object's height above ground t seconds after the fall is s(t)equals400 minus 16 t squared. determine the velocity and acceleration of the object the moment it reaches the ground. the velocity of the object the moment it reaches the ground is nothing ft/s.

Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending

How are positive ions different from neutral atoms