A flashing red traffic light at an intersection means

Which statement best describes thermal energy? The total amount of kinetic energy in the particles of an object. The total amount of potential energy in the particles of an object The increase of temperature of the particles of an object.

Which statement about friction is true? 1. Friction increases the speed of objects in motion. 2. Friction acts in a direction opposite to an object's motion. 3. Friction between objects depends solely on the types of surfaces involved

An 1647 w toaster, a 1592 w electric frying pan, and a 81 w lamp are plugged into the same outlet in a 120-v circuit. (the three devices are in parallel when plugged into the same socket.). what current is drawn by the frying pan

Calculate the time required for a 6000.-Newton net force to stop a 1200.-kilogram car initially traveling at 10. M/s

A pendulum is swinging back and forth with a period of 2.0 seconds here on Earth. This pendulum is then brought to the Moon, where the acceleration due to gravity is much smaller.

What happens to the resistance of a filament if it is replaced by a shorter wire?

One group of scientists feel that global warming affects the frequency of hurricanes. Another group of scientists believe that global warming does not affect the frequency of hurricanes, but it makes the average hurricane stronger.

In an experiment, all participants receive a treatment but those in the control group recieves a false treatments

When the volume increased, what happened to the density?

8. Chemical weathering occurs more rapidly in what kind of climates? A. Desertlike B. Cold with high snowfall amounts C. Cool and dry D. Warm with abundant rainfall