A man is pulling a box at a constant velocity across the ground by applying a force of 200 N to the
left. The box has a mass of 50kg. There is friction
between the box and the ground.

An airplane flies eastward and always accelerates at a constant rate. at one position along its path it has a velocity of 34.3 m/s, it then flies a further distance of 40100 m and afterwards its velocity is 47.5 m/s. find the airplane\'s acceleration and calculate how much time elapses while the airplane covers those 40100 m.

Which expression allows you to determine the mechanical advantage of an inclined plane? a. height of plane / input force b. length of plane / input force c. length of plane / height of plane d. height of plane / length of plane

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge