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.)

True or false a high force means an object is moving fast100 points!

To protect all four receptacles on a branch circuit that surrounds a swimming pool, you would install which of the following configurations? a. gfci feed-through receptacle at the end of the load's circuit b. gfci-terminated receptacle at the beginning of the load's circuit c. gfci feed-through receptacle at the beginning of the load's circuit and the other receptacles connected to the load side of that receptacle d. gfci-terminated receptacle at each end of the load's circuit

Will you chech and finish these for me, because i am stumped with them.