HELP ASAP PLEASE I NEED HELP NOW I WILL GIVE 30 POINTS (ASAP) PLEASE IT IS DUE IN 2 HOURS which example has the least kinetic energy

Question 2 options:

a 10 kg rock rolling down a hillside at 100 m/s.

a 100 kg rock rolling down a hillside at 100 m/s.

a 1 kg rock rolling down a hillside at 1 m/s.

a 100 kg rock rolling down a hillside at 1 m/s.

What are the basic input of iron and steel industry

Aresearcher is studying women recently admitted to a state prison. all potential subjects must have children under the age of five. research subjects will be given a basket of toys to use at their children’s first visit that the children can then take home. in assessing this proposal, the irb needs to determine that the toys are: age appropriate.not an excessive incentive.educational.of high quality.

The structure of the federal bureaucracy is well-known as being large and complex. which of the following is not part of the federal bureaucracy?