A train accelerates at -0.5 m/s2. If it takes 30 seconds to come to a complete stop, what was the initial velocity?

Apendulum has a mass of 1.5 kg and starts at a height of 0.4 m. if it is released from rest, how fast is it going when it reaches the lowest point of its path? acceleration due to gravity is g = 9.8 m/s2. a. 2.8 m/s b. 0 m/s c. 5.9 m/s d. 4.3 m/s

The plum pudding model of the atom state that ?

What causes the formation of ocean currents?