the brakes on a car do 240000j of work in stopping the car. if the car travels a distance of 40m while the brakes re being applied. how large is the average force that the brakes exert the car?

How much negative charge has been removed from a positively charged electroscope if it has a charge of 7.5*10^-11

Rainbow cannot be seen at midday even in the rain why?

Gold has a density of 19.3g/cm3 iron pyrite commonly known as fools gold because its color has a density of 50.2g/cm3. suppose that you find a golden solid that has a mass of 25.04g and a volume of 4.99cm3.

What is difference between atoms and molecules?

Which is the best explanation of how the Moon formed? The Moon was formed using chunks of Earth. The Moon was formed in a planetary disk. The Moon was formed by the Big Bang. The moon was formed when asteroids collided with each other.

Which response is the least effective when confronted with trying drugs or alcohol? "I'd rather be in control of what I do." "My future means too much to me to ruin it." "It's okay to lose control every once in a while.

Lighting converts ... energy, into ... energy.

Which statement best describes plastic's ability to conduct electricity? A) They are good insulators because their atoms have a single loosely bound electron in the outer shell that can move freely between other atoms.

Energy of motion is also known as

The peregrine falcon is the world's fastest known bird and has been clocked diving downward toward its prey at constant vertical velocity of 97.2 m/s. If the falcon dives straight down from a height of 100.