The speed of a wagon increases from 2.5 meters per second to 9.0 meters per second in 3.0 seconds as it accelerates uniformly down a hill. What is the magnitude of the acceleration of the wagon during this 3.0 second time interval?

Determine the x, y, z components of reaction at the fixed wall a. the 150-n force is parallel to the z axis and the 200-n force is parallel to the y axis.

The principle that explains the differential scattering of shorter wavelength radiation and accounts for the earth's blue sky is

1. identify the physical properties of this textbook

Why do you suppose the modern horse has a longer foot than its ancestors? A) allowed it to swim faster B) allowed it to reach higher trees C) allowed for greater chance of mating D) allowed greater speed to outrun predators

How far can you throw a water balloon before it breaks

How does the force due to gravity on Mars compare to the force due to gravity on Earth?, and Using Newton's Second Law, explain how a rocket can have an increase in acceleration over time.

Consider two air-filled parallel-plate capacitors with circular plates. Capacitor 1 has a distance between plates d and plate radius R. Capacitor 2 has a distance between plates 2d and plate radius R/2.

Which of the following would not increase the velocity of a sound wave in air? A. increasing the temperature of the air. B. lowering the density of the air. C. lowering the humidity of the air. D.

Is minerals can be solids or liquids

If our planet was without its ocean but otherwise the same as it is today, would surface temperatures be more extreme than they are now (that is, higher high temperatures in summer and lower low temperatures in winter), of less extreme, or what?