8 points GUESS Method: Norma drives her car for 150 min at 40 km/h, then rests
for 75 min, and then drives for 3.15 h at 60 km/h. What was Norma's
average speed? (Express in 3 significant figures and include the unit.) *

11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?

When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.

The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.