A train going 25 m/s slows down to rest after decelerating over a distance of 100 m. what is the magnitude of the train's deceleration ?
O 1.5 m/s^2
O 10 m/s^2
a
O 3.1 m/s^2
O 6.2 m/s^2

Acurve connects the data points that are plotted. (physical science chapter 11 motion)

Calculate the kinetic energy of earth due to its spinning about its axis. krot = j compare your answer with the kinetic energy of the orbital motion of earth's center of mass about the sun. assume earth to be a homogeneous sphere of mass 6.00 1024 kg and radius 6.40 106 m. the radius of earth's orbit is 1.50 1011 m.

Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest