Q1. A 10,000 kg railroad car is rolling at 2 m/s when a 400 kg load of gravel is suddenly dumped in. What is the railroad cars speed just after the gravel is dumped in?
Q2. The portrait of St. Matthew from the Lind is farne Gospels describes the union of Early Medieval Christian art and thought. In brief explain that union.
Q3. A metal rod is 25.00 cm long at 26.0 degrees Celsius. When heated to 102.0 degrees Celsius, it is 25.034 cm long. What is the coefficient of linear expansion for this metal?