Which object has a constant speed? a racecar starting a race a car traveling the speed limit a bicycle coming to a stop a ball falling off a table

Lucas plugs a lamp into the wall. The light bulb in the lamp turns on. What kind of energy transformation is this?

What three factors affect the amount of air resistance on an object

When an object is lifted 8 meters off the ground, it gains a certain amount of potential energy. If the same object is lifted 16 meters off the ground, its potential energy is A. four times as much. B. three times as much. C. twice as much. D.

Laura and Elana are discussing how to solve the following problem: "A canary sits 10 m from the end of a 30-m-long clothesline, and a grackle sits 5 m from the other end. The rope is pulled by two poles that each exert a 200-N force on it.

True or false:f=ma represents newton's second law of motion.

Which will have the greatest effect on power consumption A.) add more circuit brakes and fuses B.) turn on all electric devices in a circuit C.) turn on only the electrical devices that use the most watts D.

13. Which best summarizes the change in number and size of microcontinents during the Proterozoic? a. the number of microcontinents increased and the size increased b. the number of microcontinents increased and the size decreased c.

What is the 3d model of oxygen molecule

If you need to drive from Dallas, Texas, to Salt Lake City, Utah, (about 1500 miles), and the speed limit is 60 miles per hour most of the way, what is the least amount of time you will need? A. 4 hours B. 25 hours C. 2.5 hours D. 90,000 hours

Which of the following statements about the Coriolis effect is correct? a. The Coriolis effect is not affected by wind speed. b. The Coriolis effect is weakest at the poles. c. The Coriolis effect does not affect wind direction. d.