B. Solve. Show all the necessary solutions/steps to justify your answers and to earn full credits. 1. An asteroid is speeding at 87,000 km per hour. Express this speed in: (a) miles per minute and (b) inches per millisecond. 2. An object is thrown up and its vertical displacement h is described by the equation: h =(4.9m/s')t2 + (6.42m/s)t + 3m, where t is in seconds. At what values of t will the object reach a vertical displacement of 4.75m