A rock at the end of a string is revolving uniformly in If the length of the string is doubled, the centripetal acceleration: a horizontal circle. Parts A, B and C refer to the situation described here. It is doubled. It is halved. It is four times smaller. It is four times larger. Submit Request Answer Part C If the string breaks, the tendency of the rock is to O It depends where the string breaks. Stop. O Continue to follow a circular path. O Continue to follow a straight-line path