Please help Question 3 of 5
Which term refers to the sum of the kinetic energy of all the particles in an
object?
O A. Temperature
B. Heat
O C. Thermal energy
D. Potential energy
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Two particles of masses m and 2m are placed on a smooth horizontal table. a string, which joins these two masses, hangs over the edge supporting a pulley, which suspends a particle of mass 3m.the pulley has negligible mass. the two parts of the string on the table are parallel and perpendicular to the edge of the table. the hanging parts of the string are vertical. find the acceleration of the particle of mass 3m.

The density of a liquid could be found by using

Phase changes are chemical changes. true or false