A student is holding a stone at a certain height. The stone has 50 joules of potential energy and 0 joules of kinetic energy. The stone is released from that height. How much energy does the stone have
right before it hits the ground?
Select one:
a) The stone will have no energy
b) The stone will have about 25 joules each of kinetic and potential energy
c) The stone will have about 50 joules of potential energy and ovogres van kinetic
energy
d) The stone will have about 50 joules of kinetic energy and ovoules of potencia
energy

Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. a) reforestation would not benefit many species because most forest species live on the ground. b) reforestation would take the longest time to be effective because trees take several years to grow. c) biological augmentation would benefit only a few species because is is typically not very effective. d) biological augmentation would take less time to ve effective because it targets the majority of prey species.

Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.

Every winter i fly home to chicago. it takes 3 hours. what is my average speed?