Answer:
981 N
Explanation:
recall that weight = mass x acceleration due to gravity = mg
given that m = 100 kg and g = 9.81 m/s²
weight = mg = 100 x 9.18 = 981 N
Different temperatures must be true about two objects if heat is flowing between them
Answer: Option A
Explanation:
On bringing two objects with temperature differences, heat flows from a higher temperature to a lower temperature until there is thermal equilibrium according to the second law of thermodynamics.
Just like if we connect two tanks through a pipe with different water capacities. The water flows from the tank of higher water to a lower water level until both the tanks have the same water level.
The bigger the difference of temperature between two object, the higher the rate of heat flow from the hotter object to the cooler one. Two object, having same temperature doesn’t undergo a heat flow process.
The objects must be different temperatures. the exact temperatures don't matter