What is the heat energy required to change the temperature 2.5kg of ice at -10°C to ice at 0°C?​

Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

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.