An aeroplane is flying towards east with velocity 4000m/s air is bellowing towards North with velocity 3000 m/s .What is the resultant velocity of aeroplane?

When you drop a pebble from height a it reaches the ground with speed v if there is no air resistance. from what height should you drop it so it will reach the ground with three times the speed? (a) 9m (b) 3m (c) 6m (d) 18m

Which articulations allow for greatest range of motion?

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z