You drive a car 2.0 h at 40 km/h, then 2.0 h at 80 km/h. (a) What is your average velocity? km/h (b) Do you get the same answer if you drive 120 km at each of the two speeds above? no yes

What is the process when thermal energy is being removed?

People in the United States know that water boils at 212 Degrees Fahrenheit. In Europe, people know that water boils at 100 degrees Celsius. Is the water in the U. S. different than the water in Europe? What explains the two different temperatures

What does newton's first law predict will happen to a person riding in a car that is moving in circular motion?

Define perceptual set. Briefly explain how a perceptual set may form and why people should be skeptical when evaluating the accuracy of their perceptual set.

A fan is turned off, and its angular speed decreases from 10.0 rad/s to 6.3 rad/s in 5.0 s. what is the magnitude of the angular acceleration of the fan?

A series circuit contains three 2 Ω resistors and a 6 Ω resistor. The current in each resistor is 4.0 A. What is the voltage of the battery in the circuit? 2.0 V 3.0 V 32 V 48 V

A solid metal ball and a hollow plastic ball of the same external radius are released from rest in a large vacuum chamber. When each has fallen 1 m, they both have the same?

Juan is interested in finding out whether hummingbirds are attracted to some flowers more than others. In what order should Juan perform the steps of his experiment?

Will make Brainlest! <3 Metals are considered to be good conductors of heat. How do the specific heat values indicate this?

Which example identifies a change in motion that produces acceleration? choices are: 1. a speed skater moving at a constant speed on a straight track 2. a ball moving at a constant speed around a circular track 3.