An airplane flying parallel to the ground undergoes two consecutive displacements. The first is 75 km 30.0 degrees west of north, and the second is 155 km 60.0° east of north. What is the total displacement of the airplane?

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd question 6 options: 3000 joules 30 joules 320 joules 3200 joules

Which is not true about oxygen-17 and oxygen-18?

Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.