A car traveled 60km in 2 hours, 84km in the next hour, and then 68km in 2 hours before reaching its destination. What was the cars average speed?

16 En un juego de béisbol, un lanzador logra lanzar una pelota a 160 kilómetros por hora. Si la pelota choca con el bate, la energia cinética podría causar que el bate se rompa.

How are sound waves different from light (and other electromagnetic, waves?

When a "superball" is dropped, can it rebound to a hightgreater than its origional hight?

Convert an acceleration of 5.5 mi/h/s to m/s² . Answer in units of m/s²

Which physical property will change in value depending on if you are on the surface of the earth, in orbit, or on the surface of the moon?

For slowly moving objects, the drag force in water is approximately proportional to the speed of the object. The Escherichia coli (E. coli) bacterium propels itself slowly through water by means of long, thin structures called flagella.

How do electric and magnetic fields interact to create electromagnets?

Select the correct answer from each drop-down Two magnets are placed as shown in the 00 В D between the poles B and . And the force of between the poles A and DIS Reset Next

Two main pieces of evidence support the big bang theory and the idea that our universe is continually expanding: Doppler shift and cosmic background radiation. Explain how these phenomena provide evidence of the expansion of the universe.

How was bohr atomic model similar to Rutherford's model