Question

A frog in a hemispherical pod finds that he floats without sinking into a sea of blue- green ooze having a density of 1.25 g/cm3 If the pool has a radius of 4.00 cm and a negligible mass, what is the mass of the frog? 138 g 126 g 62.8 g 168 g 335 g

Answer 1

For 11 Bosoyant force mg fo = (density of blue gree core] FB x (volume displaced ixg Nolume displaced volume of hemispherical pool PAFE mg = 2783 { xax (0.0473 S (r= 4.0cm ) (given) Va WIN (s = 125glom 3 N=1-34 x 104 m3 = 1.25X103 kg/m3 Forg *1.3 4x104 1.25 8103 2 (g=auderation due to gravity Fo= 0. 1675gN mg = 00 1675 g 475 0.1675 kg 167.5 grams 168 ma - g ima