laban

An aeroplane is moving at 200km/h due 60?. The plane experience a wind blowing at 120km/h due 210?. Find the resultant velocity of the plane by resolving the velocities into their components

A factory produces nails and packs them in boxes of 200. If the probability that a nail is substandard is 0.006. Find the probability that a box selected at random contains at most two nails which are substandard.

derive the differential equation for the charge oscillation of an LCR circuit in a mechanical system