6. A person lifts a package weighing 75 N. If she lifts it 1.2 m off the floor,

what work has she done?

When a person spins a bucket of water in a circle, the force acting on the bucket to keep the water inside is called

Two waves are superposed. one wave has an amplitude of 5 cm, and other has an amplitude of 4 cm. What is the resultant amplitude?

What is the part of the sound wave called where molecules are expanded and are farther apart?

Joseph M. Juran, although known for Pareto Analysis, was the first to recommend statistical quality control. True False

An object is thrown upward with a speed of 12 m/s on the surface of planet x where the acceleration due to gravity is 1.5 m/s2. how long does it take for the object to reach the maximum height?

A sample contains 10 g of a radioactive isotope. How much radioactive isotope will remain in the sample after 2 half-lives? A. 7.5 g B. 5.0 g C. 2.5 g D. 10.0 g

A plane flies along a straight line path after taking off, and it ends up 210 km farther east and 90.0 km farther north, relative to where it started. What is the plane's displacement?

Compare exothermic reactions and endothermic reactions. Give at least one similarity and one difference.

A solid cylinder with a radius of 73.3 cm and a mass of 2.33 kg accelerates uniformly from rest in 4.13 seconds while experiencing 6.71 rotations. Solve for the (a) final angular velocity.

In the early stages of its formation, earth became hot enough that some of its solid materials turned to liquid. Which of these factors did not directly contribute to earths high internal temperatures