Which of the following are voltage sources?

a. ohm's law

b. resistance

c. electric charge

d. batteries and wall sockets

Explain why guitar strings of the same length have different pitches.

What would happen to Earth if ocean floor were created at divergent boundaries at a faster rate than it is destroyed at convergent boundaries?

The forklift exerts a 1,500.0 N force on the box and moves it 3.00 m forward to the stack. How much work does the forklift do against the force of gravity?

A locomotive is pulling 11 freight cars, each of which is loaded with the same amount of weight. The mass of each freight car (with its load) is 37,000 kg. If the train is accelerating at 0.

State a rule that describes how to predict the relative velocities of the two carts after the explosion. -Answer

The diagram below shows the process of distillation of saltwater into pure water. Where is the pure water in the diagram? a. A b. B c. C d. D

In what ways, would understanding the body positions, directions, and planes assist you with tasks related to the integumentary, skeletal/muscular, and digestive systems

Concave & convex lens of same mass & radii rotate about an axis passing through their centre & perpendicular to the plane which one will have greater mnment of inertia

Which of the following statements is true? A. Both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction. B. Nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. C.

A star may form a black hole once it cannot?