The number of molecules in a container is tripled and the kelvin temperature doubled. the volume remains unchanged. the new pressure will be how many times greater than the original pressure?

As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. when you push the platform, you compress the springs. you do an amount of work of 79.0 j when you compress the springs a distance of 0.230 m from their uncompressed length. (a) what magnitude of force must you apply to hold the platform in this position? (b)how much additional work must you do to move the platform a distance 0.230 m farther? (c) what maximum force must you apply to move the platform a distance 0.230 m farther?

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?