In your own words explain coefficient of friction?

A car is traveling south at a speed of 69 miles per hour and then begins traveling west but continues traveling at the same speed. Which of the following has changed? A. velocity B. gravity C. mass D. speed

From inside to out, describe the components of an atom. What makes one element's atoms differ from another element's atoms?

A 1000-kg car approaches an intersection traveling north at 20.0 m/s. A 1200-kg car approaches the same intersection traveling east at 22.0 m/s. The two cars collide at the intersection and lock together.

How long will a trip take in hours of you travel 450kmat an average speed of 80 km/hr

How did Mendeleev organize the elements to create a periodic table

The puzzle box is traditionally associated with the work of

A 0.95-kg sample of water at 11°C is in a calorimeter. You drop a piece of steel with a mass of 0.39 kg at 212°C into it.

Let the magnitudes of two displacement vectors be 4 m and 8 m, respectively. If the two vectors are added, the magnitude of the resultant vector. A. is exactly equal to 4 m. B. is exactly equal to 12 m. C. is greater than 12 m. D.

justin pushes basket of toys with 50N of force for 3 meters in 100 seconds. how much work did he do on the basket

In general, what can be said about metals.