2 Mark this question A light located 4 kilometers from a straight shoreline rotates at a constant angular speed of 3.5 r a d divided by m i n. Find the speed of the movement of the spotlight along the shore when the beam is at an angle of 60 degree with the shoreline. fraction numerator d x over denominator d t end fraction equals 3 over 56 fraction numerator k m over denominator m i n end fraction fraction numerator d x over denominator d t end fraction equals 56 over 3 fraction numerator k m over denominator m i n end fraction fraction numerator d x over denominator d t end fraction equals 21 over 32 fraction numerator k m over denominator m i n end fraction fraction numerator d x over denominator d t end fraction equals 28 fraction numerator k m over denominator m i n end fraction