An airplane whose airspeed is 225 km/h flies parallel to the direction of a head wind with a speed of 40 km/h. What is the resultant speed of the plane relative to the
ground?

State the right hand rule of the direction of magnetic field in a conductor carrying current

Which fators influence ocean currents

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct