A cork has a volume of4.25 cm3. The density of cork is 207 kg/m3. [a] What volume of the cork is beneath the surface when the cork floats in water?
[b] What downward force is needed to completely submerge the cork?

How are calculation for velocity and speed different

The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.

Using gravity, an elephant can pull a mouse towards it from the ground. true or false explain why. will give brainliest if answered fast and the best explanation