Example 1.1: What is the solid angle subtended by the moon at any point of the Earth, given
the diameter of the moon is 3474 km and its
distance from the Earth 3.84x108 m.

c, 1a hope this

in simple terms, the principle states that the buoyancy force on an object is equal to the weight of the fluid displaced by the object, or the density of the fluid multiplied by the submerged volume times the gravitational acceleration, g. this is also known as upthrust.

what was the acceleration of the 2 kg cart?

⇒ 16.0 cm/s2

what was the acceleration of the 4 kg cart?

⇒ 8.1 cm/s2

what was the acceleration of the 6 kg cart?

⇒ 5.3 cm/s2

the answer would be   dignified - apex