A ball of mass 1.5 kg is initially at rest in a tall tree. The ball initially has a potential energy of 138.9 joules. If the ball is dropped from the tree, how much kinetic energy will it have the instant before it hits the ground? Round your answer to the tenths place.

Apiece of metal 75g at 110°c is dropped in a container with 500g at 20°c. the h2o if temperature is 24°c find specific heat capacity of metal

Consider a production line with five stations. station 1 can produce a unit in 9 minutes. station 2 can produce a unit in 10 minutes. station 3 has two identical machines, each of which can process a unit in 12 minutes (each unit only needs to be processed on one of the two machines. station 4 can produce a unit in 5 minutes. station 5 can produce a unit in 8 minutes. which station is the bottleneck station?

What ions are formed when hcl dissolves in water?