Two forces A and B act on an object in opposite directions. A is bigger than B. What is the net force acting on an object?

The coil is placed in the magnetic field of a horseshoe magnet. The plane of the coil is at right angles to the field.

The highest energy waves have the _ frequency

Why do copper vessels turn green with the passage of time?

A large cooler is filled with water, as shown below. How does the valve on the cooler compare with the switch in an electric circuit? A. Opening the valve allows water to flow, just like opening a switch allows charges to flow. B.

Islands in the middle of the oceans (for example, Great Britain, Hawaii, Bermuda) tend to have more stable climates with smaller temperature fluctuations than regions of the same mass surrounded by land (for example, continents).

calculating power reach each scenario and then answer the questions scenario a 120 j of work is done in 6 seconds scenario b 160 j of work is done at 8 seconds scenario c200 J's of work is done in 10 seconds which scenario uses the most power

Which of the following is not an assumption that scientists must make about the natural world

A small car meshes with a large truck in a head-on collision. Which of the following statements concerning the magnitude of the momentum change during the collision is correct?

An egg cooking on a campfire is an example of A. only an exothermic reaction. B. only an endothermic reaction. C. an endothermic and an exothermic reaction. D. neither an exothermic nor an endothermic reaction.

During a new moon, is the moon A) in between Earth and the sun B) in front of the sun, in back of Earth C) in front of Earth, in front of the sun D) alongside Earth in front of the sun