Which one has larger kinetic energy: a 500-kg object moving at 40 m/s or a 1000-kg object moving at 20 m/s? a. The 500-kg object b. The 1000-kg object c. Both have the same kinetic energy.

Which best describes two counteracting forces on an object

Manipulate the following equation to solve for t: s=1/2 at^2

A truck driving east on a highway goes from the 42 mi marker to the 48 mi marker in 5.0 minutes. What is the truck's average velocity during this time? O A. 1.2 mi/min east O B. 30 mi/h east O C. 0.83 mi/min west O D. 9.6 mi/min east APEX!

Which of the following characteristics is representative of receptor-level processing, NOT perceptual-level processing? A. detection B. transduction C. magnitude D. spatial discrimination

3.) How can we calculate the speed of an object?

How are magnet'so magnetic force and magnetic field different

Ahmed saw all of these things as he walked to school this morning. Which one is an example of a force pushing downward toward the ground? A. A bird sat on a telephone wire. B. A woman moved her child from one place to another in a wagon. C.

What types of mediums are involved in the energy transfer

When two frequencies are added together, the beat frequency and the average frequency are an octave apart?

When sunlight strikes oil on the surface of water, a variety of colors are observed. What is the best explanation for this observation? A) Oil reflects the light and the lens of our eyes break it into component colors.