A container is filled with oil and fitted on both ends with pistons. The area of the left piston is 10 mm2; that of the right piston 10,000 mm?. What force must be exerted on the left piston to keep the 10,000-N car on the right at the same height?

A 0.50 kg frog sits on a 0.20 kg ball floating in water with exactly half its volume submerged.  The volume of the beach ball is ____ m3 (note units).

A rock, which weighs 1400 N in air, has an apparent weight of 900 N when submerged in fresh water (998 kg/m³). The volume of the rock is: 0.14 m³ 0.50 m³ 3 0.90 m³ O 5.1 x 10-² m³ 9.2 x 10-² m³

A hippo is dozing under water with only its small nostrils sticking out. It has a mass of 3000 kg and a volume of about 2.99 m3 after exhaling. How much force in Newtons does it exert on the ground of the pool (fresh water, density 1g/cm3)? Suhm Answor Trioc 0/2

A flat-bottomed aluminum fishing boat has a mass of 60 kg and an area of 4.0 m2. When it is launched into the water (density 1,000 kg/m3), how far (in m) below the surface of the water does the bottom of the boat sink? B. A fisherman and his buddy climb into the boat. If they, along with their gear, have a mass of 300 kg, how much farther (in m) does the boat sink into the water?