11) We are past the year 1990:

A.) Observation

B.) Inference

When measuring length, why is it important to use the correct tools and units to attain the greatest accuracy? Use specific examples from the lab to support your answer.

One timing problem in using fiscal policy to counter a recession is the "legislative lag" that occurs between the

Mark's uncle is about to have a procedure to treat his prostate cancer. The treatment involves placement of small pellets close to the tumor to deliver a localized dose of radiation. What type of nuclear therapy is this?

Four spheres form the corners of a square whose side is 2.0 cmlong. What are the magnitutde and direction of the netgravitational force from them on a central sphere with massm5 = 250kg?

A ship sails east from a harbor for 16 nautical miles. it then sails in the direction of n 55 e for 18 nautical miles. how far is it then from the harbor

A proposed space station includes living quarters in a circular ring 50.0 m in diameter. At what angular speed should the ring rotate so the occupants feel that they have the same weight as they do on Earth?

Which transformation of energy occurs in a hydroelectric power plant? A. Potential energy to chemical energy B. Chemical energy to potential energy C. Chemical energy to Kinetic energy D. Kinetic energy to electrical energy F.

Which two supreme court cases delt with the first amendment rights of students in public schools

Two boxes sit on a frictionless surface and are in contact with one another. the first box has a mass of 7 kg and the second box has a mass of 8 kg. A 25 N force is applied to the 7 kg box. Find the acceleration of the boxes.

Which pharaoh ordered the use of millions of man hours and extraordinary resources to create the Great Pyramid at Giza? A) Amenhotep B) Khufu C) Menes D) Tutankhamen