A student drops a rock from rest at distance h above the ground such that the rock hits the ground at time t . At what distance above the ground should a rug be dropped such that it hits the ground at time 2t after it is released from rest?

Gravity is pulling an object into the sun. the closer the object gets to the sun, the greater the gravitational force that acts on the object, increasing its acceleration. a line graph plotting the speed of the object against time would have which shape? a: straight line of positive slope b: curved line that slopes upward c: curved line that slopes downward d: straight line of negative slope