Atoy floats in a swimming pool. the buoyant force exerted on the toy depends on the volume of
none of these choices.
all the water in the pool.
the toy under water.
the pool.

The toy under water

Explanation:

Buoyant forces act on displacement so the amount of water displaced by the toy determines the forces.

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

i believe the answer would be:

d. violin, clarinet, french horn, and tuba