a car travelling at a uniform speed of 20km/hr passes through two station in 4mins cal the distance between the two station​

Agymnast dismounts off the uneven bars in a tuck position with a radius of 0.3m (assume she is a solid sphere) and an angular velocity of 2rev/s. during the dismount she stretches out into the straight position, with a length of 1.5m, (assume she is a uniform rod through the center) for her landing. the gymnast has a mass of 50kg. what is her angular velocity in the straight position?

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

Which of the following is an example of motion in two dimensions?