Acluster of galaxies is observed to have a recessional velocity of 60,000 km/s. find the distance to the cluster. (assume a hubble constant of 22 km/s per million light-years.)

If jesus walked on water, does that mean he swims on land

Why are graphs useful when interpreting data

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.