A20 n unbalanced force causes an object to accelerate at 1.5 m/s2. what is the mass of the object?

As per Newton's II law we know that

here we know that

now the mass of the object will be given as

so mass of the object will be 13.3 kg

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.