A person drives 70 km/h in 1 hour to the east, then 80 km/h for another hour to the east. What

was the average velocity for those 2 hours?

Whats the term for climate near equator

A string (L = 0.76 m) was used to generate standing waves. If the number of antinodes generated in the string was 3, the determine the wavelength.

A box, compressing a spring by 4 m, is loaded and ready. Moments later the 8.0 kg box has been launched with a speed of 10.0 m/s across a frictionless surface. Find the spring constant of the spring used at the beginning of the problem.

Are BEVs or hydrogen fuel cell vehicles a more promising transportation technology for the future? (This is question #3 from p. 608.) Should car companies be required to produce electric cars?

A block of wood has a mass of 120 g and a volume of 200cm what is the density of the word

How long does it take the moon to go from full-moon phase to new-moon phase

What is the rule of calculation of elastic potential energy?

In 1940, the Tacoma Narrows Bridge across the Puget Sound collapsed. The bridge was a suspension bridge. The wind blowing through the narrows matched the natural frequency of the bridge.

What has more momentum: a sports car moving at 100 mph or a train that is not moving?

What is your mass in kilograms?