When you open a fridge door is it endothermic or exothermic?

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass

Ain is , is 's of ? 0.62 0.79 1.27 1.50

3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?