Spring #1 has a spring constant of 30 N/m, while spring 2 has a spring constant of 50 Nm. Which spring is stiffer or more rigid? I​

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

Ascientific blank must be testable and capable of being proven false?

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit