Which of the following systems reflects a decrease in entropy? a. burning match b. freezing water c. evaporating alcohol d. breaking glass **

At time t=0, a particle is located at the point (3,6,9). it travels in a straight line to the point (5,2,7), has speed 8 at (3,6,9) and constant acceleration 2i−4j−2k. find an equation for the position vector of the particle.

What are atoms of the same element with varying number of neutrons

Apiece of metal 75g at 110°c is dropped in a container with 500g at 20°c. the h2o if temperature is 24°c find specific heat capacity of metal