1. An airplane flies with a constant speed of 720 km/h. How long will it take to travel a distance of 1500 kilometers?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?